DOT to probe Southwest cancellations that stranded flyers


              Travelers wade through the line for service at the Southwest Airlines check-in counter in Denver International Airport, Tuesday, Dec. 27, 2022, in Denver. (AP Photo/David Zalubowski)
            
              A Southwest Airlines jetliner head down a runway for take off from Denver International Airport Tuesday, Dec. 27, 2022, in Denver. (AP Photo/David Zalubowski)
            
              A traveler sleeps on a bench near the Southwest Airlines check-in counter at Denver International Airport, Tuesday, Dec. 27, 2022, in Denver. (AP Photo/David Zalubowski)
            
              Travelers collect bags at the Southwest Airlines baggage claim area in Denver International Airport Tuesday, Dec. 27, 2022, in Denver. (AP Photo/David Zalubowski)
            
              Brittany Kirk, 41, who arrived in Illinois on December 22 after a delayed flight from Denver, claims her lost luggage near the baggage carousel at Midway Airport in Chicago, Tuesday, Dec. 27, 2022, after Southwest Airlines flights were cancelled and delayed during a winter storm. Problems at Southwest Airlines appeared to snowball after the worst of the storm passed. It cancelled more than 70% of its flights Monday, more than 60% on Tuesday, and warned that it would operate just over a third of its usual schedule in the days ahead to allow crews to get back to where they needed to be. (Pat Nabong /Chicago Sun-Times via AP)
            
              Airport staff looks at a tag on a pile of lost suitcases near the baggage carousel at Midway Airport, Tuesday, Dec. 27, 2022, after Southwest Airlines flights were cancelled and delayed during a winter storm.  Problems at Southwest Airlines appeared to snowball after the worst of the storm passed. It cancelled more than 70% of its flights Monday, more than 60% on Tuesday, and warned that it would operate just over a third of its usual schedule in the days ahead to allow crews to get back to where they needed to be. (Pat Nabong /Chicago Sun-Times via AP)
            
              Baggage waits to be claimed at the Southwest Airlines baggage claim Tuesday, Dec. 27, 2022, at Salt Lake City International Airport, in Salt Lake City. Many airlines were forced to cancel flights due to the weather, but Southwest was by far the most affected. Of the 2,890 flight cancellations in the U.S. early Tuesday, 2,522 were called off by Southwest, according to the tracking website FlightAware. (AP Photo/Rick Bowmer)
            
              Baggage waits to be claimed at the Southwest Airlines baggage claim Tuesday, Dec. 27, 2022, at Salt Lake City International Airport, in Salt Lake City. Many airlines were forced to cancel flights due to the weather, but Southwest was by far the most affected. Of the 2,890 flight cancellations in the U.S. early Tuesday, 2,522 were called off by Southwest, according to the tracking website FlightAware. (AP Photo/Rick Bowmer)
            
              Travelers wait in line at the Southwest Airlines ticket counter Tuesday, Dec. 27, 2022, at Salt Lake City International Airport, in Salt Lake City. Southwest Airlines scrubbed thousands of flights again Tuesday in the aftermath of the massive winter storm that wrecked Christmas travel plans across the U.S., and the federal government said it would investigate why the company lagged so far behind other carriers.  (AP Photo/Rick Bowmer)
            
              Airline staff walks around a pile of suitcases near the baggage carousel at Los Angeles International Airport Tuesday, Dec. 27, 2022, after Southwest Airlines flights were canceled and delayed during a winter storm. Southwest Airlines scrubbed thousands of flights again Tuesday after the massive winter storm that wrecked Christmas travel plans across the U.S. The federal government said it would investigate why the company lagged behind other carriers. (AP Photo/Damian Dovarganes)
            
              Travelers line up to collect bags at the United Airlines baggage claim area in Denver International Airport Tuesday, Dec. 27, 2022, in Denver. (AP Photo/David Zalubowski)
            
              Southwest Airlines jets are seen at the John Wayne Airport in Santa Ana, Calif., Tuesday, Dec. 27, 2022. Southwest Airlines scrubbed thousands of flights again Tuesday in the aftermath of the massive winter storm that wrecked Christmas travel plans across the U.S., and the federal government said it would investigate why the company lagged so far behind other carriers. (AP Photo/Eugene Garcia)
            
              Stranded passenger, Gwendolyn Johnston, of Love Field, Dallas, holds her 14-month-old daughter, Madison, as she waits with family members at the Southwest terminal at the Los Angeles International Airport, Tuesday, Dec. 27, 2022. Johnston's family visited Disneyland for the holidays with two other families. Now, all 11 members must book hotel rooms near LAX, as they won't be able to catch a return flight home in Texas until Jan. 1, 2023. (AP Photo/Damian Dovarganes)
            
              Travelers wade through the south security checkpoint in Denver International Airport Tuesday, Dec. 27, 2022, in Denver. (AP Photo/David Zalubowski)
            
              A traveler wades through the field of unclaimed bags at the Southwest Airlines luggage carousels at Denver International Airport, Tuesday, Dec. 27, 2022, in Denver. (AP Photo/David Zalubowski)
            
              Cancelled Southwest Airlines flights are seen on the flight schedules at LaGuardia Airport, Tuesday, Dec. 27, 2022, in New York. The U.S. Department of Transportation says it will look into flight cancellations by Southwest that have left travelers stranded at airports across the country amid an intense winter storm.   (AP Photo/Yuki Iwamura)
            
              Passengers wait in line to check in for their flights at Southwest Airlines service desk at LaGuardia Airport, Tuesday, Dec. 27, 2022, in New York. The U.S. Department of Transportation says it will look into flight cancellations by Southwest that have left travelers stranded at airports across the country amid an intense winter storm.  (AP Photo/Yuki Iwamura)
            
              Southwest Airlines' aircraft parked on the tarmac of LaGuardia Airport, Tuesday, Dec. 27, 2022, in New York. The U.S. Department of Transportation says it will look into flight cancellations by Southwest Airlines that have left travelers stranded at airports across the country amid an intense winter storm.  (AP Photo/Yuki Iwamura)
            
              Itzel Enciso, 19, who is visiting Chicago from Los Angeles and said her bag was mistakenly tagged to arrive in Cleveland, looks for her lost luggage near the baggage carousel at Midway Airport in Chicago, Tuesday, Dec. 27, 2022, after Southwest Airlines flights were cancelled and delayed during a winter storm. Problems at Southwest Airlines appeared to snowball after the worst of the storm passed. It cancelled more than 70% of its flights Monday, more than 60% on Tuesday, and warned that it would operate just over a third of its usual schedule in the days ahead to allow crews to get back to where they needed to be. (Pat Nabong /Chicago Sun-Times via AP)
            
              Airport staff walks around a pile of lost suitcases near the baggage carousel at Midway Airport in Chicago, Tuesday, Dec. 27, 2022, after Southwest Airlines flights were cancelled and delayed during a winter storm. Problems at Southwest Airlines appeared to snowball after the worst of the storm passed. It cancelled more than 70% of its flights Monday, more than 60% on Tuesday, and warned that it would operate just over a third of its usual schedule in the days ahead to allow crews to get back to where they needed to be. (Pat Nabong /Chicago Sun-Times via AP)
            
              Airport staff looks around a pile of lost suitcases near the baggage carousel at Midway Airport in Chicago, Tuesday, Dec. 27, 2022, after Southwest Airlines flights were cancelled and delayed during a winter storm. Problems at Southwest Airlines appeared to snowball after the worst of the storm passed. It cancelled more than 70% of its flights Monday, more than 60% on Tuesday, and warned that it would operate just over a third of its usual schedule in the days ahead to allow crews to get back to where they needed to be. (Pat Nabong /Chicago Sun-Times via AP)
            
              Signs that read "DCA, ONT and MHT" are posted behind lost suitcases near the baggage carousel at Midway Airport in Chicago, Tuesday, Dec. 27, 2022, after Southwest Airlines flights were cancelled and delayed during a winter storm. Problems at Southwest Airlines appeared to snowball after the worst of the storm passed. It cancelled more than 70% of its flights Monday, more than 60% on Tuesday, and warned that it would operate just over a third of its usual schedule in the days ahead to allow crews to get back to where they needed to be. (Pat Nabong /Chicago Sun-Times via AP)
            
              Hundreds of unclaimed suitcases and a box wrapped in Christmas wrapper sit near the baggage carousel at Midway Airport in Chicago, Tuesday, Dec. 27, 2022, after Southwest Airlines flights were cancelled and delayed during a winter storm. Problems at Southwest Airlines appeared to snowball after the worst of the storm passed. It cancelled more than 70% of its flights Monday, more than 60% on Tuesday, and warned that it would operate just over a third of its usual schedule in the days ahead to allow crews to get back to where they needed to be. (Pat Nabong /Chicago Sun-Times via AP)
            
              Airport staff looks at a tag on a pile of lost suitcases near the baggage carousel at Midway Airport, Tuesday, Dec. 27, 2022, after Southwest Airlines flights were cancelled and delayed during a winter storm.  Problems at Southwest Airlines appeared to snowball after the worst of the storm passed. It cancelled more than 70% of its flights Monday, more than 60% on Tuesday, and warned that it would operate just over a third of its usual schedule in the days ahead to allow crews to get back to where they needed to be. (Pat Nabong /Chicago Sun-Times via AP)
            
              Southwest Airlines' aircraft parked on the tarmac of LaGuardia Airport, Tuesday, Dec. 27, 2022, in New York. The U.S. Department of Transportation says it will look into flight cancellations by Southwest Airlines that have left travelers stranded at airports across the country amid an intense winter storm.  (AP Photo/Yuki Iwamura)
            
              Southwest Airlines' aircrafts parked on the tarmac of LaGuardia Airport, Tuesday, Dec. 27, 2022, in New York. The U.S. Department of Transportation says it will look into flight cancellations by Southwest Airlines that have left travelers stranded at airports across the country amid an intense winter storm.  (AP Photo/Yuki Iwamura)
            
              A person looks for lost luggage near the baggage carousel at Chicago Midway International Airport, Tuesday, Dec. 27, 2022, after Southwest Airlines flights were cancelled and delayed during winter storm Elliott. Passengers from flights across the U.S. looked for and waited for their lost luggage Tuesday morning. (Pat Nabong/Chicago Sun-Times via AP)
            
              People looking for their lost luggage line up outside Southwest Airlines' office near the baggage carousel at Midway International Airport, Tuesday, Dec. 27, 2022, in Chicago, after Southwest Airlines flights were cancelled and delayed during winter storm Elliott. Passengers from flights across the U.S. looked for and waited for their lost luggage Tuesday morning. (Pat Nabong/Chicago Sun-Times via AP)
            
              A person looks for lost luggage near the baggage carousel at Midway Airport in Chicago, Tuesday, Dec. 27, 2022, after Southwest Airlines flights were cancelled and delayed during a winter storm. Problems at Southwest Airlines appeared to snowball after the worst of the storm passed. It cancelled more than 70% of its flights Monday, more than 60% on Tuesday, and warned that it would operate just over a third of its usual schedule in the days ahead to allow crews to get back to where they needed to be. (Pat Nabong /Chicago Sun-Times via AP)
            
              Passengers wait in line to check in for their flights at Southwest Airlines service desk at LaGuardia Airport, Tuesday, Dec. 27, 2022, in New York. The U.S. Department of Transportation says it will look into flight cancellations by Southwest that have left travelers stranded at airports across the country amid an intense winter storm.  (AP Photo/Yuki Iwamura)
            
              Passengers wait in line to check in for their flights at Southwest Airlines service desk at LaGuardia Airport, Tuesday, Dec. 27, 2022, in New York. The U.S. Department of Transportation says it will look into flight cancellations by Southwest that have left travelers stranded at airports across the country amid an intense winter storm.  (AP Photo/Yuki Iwamura)
            
              Southwest Airlines' aircrafts parked on the tarmac of LaGuardia Airport, Tuesday, Dec. 27, 2022, in New York. The U.S. Department of Transportation says it will look into flight cancellations by Southwest Airlines that have left travelers stranded at airports across the country amid an intense winter storm.  (AP Photo/Yuki Iwamura)
            
              Conrad Stoll, a 66-year-old retired construction worker who lives near Nevada, Mo., waits at the Kansas City International Airport in Kansas City, Mo., for his wife to pick him up after his Southwest flight to Los Angeles was canceled early Tuesday, Dec. 27, 2022. He had planned to make the trip so he could attend his father's 90th birthday party and see his 88-year-old mother. (AP Photo/Heather Hollingsworth)
            
              A traveler wades through the field of unclaimed bags at the Southwest Airlines luggage carousels at Denver International Airport, Tuesday, Dec. 27, 2022, in Denver. (AP Photo/David Zalubowski)
            
              Travelers wade through the south security checkpoint in Denver International Airport Tuesday, Dec. 27, 2022, in Denver. (AP Photo/David Zalubowski)
            
              Baggage waits to be claimed at the Southwest Airlines baggage claim Tuesday, Dec. 27, 2022, at Salt Lake City International Airport, in Salt Lake City. Many airlines were forced to cancel flights due to the weather, but Southwest was by far the most affected. Of the 2,890 flight cancellations in the U.S. early Tuesday, 2,522 were called off by Southwest, according to the tracking website FlightAware. (AP Photo/Rick Bowmer)
            
              Cancelled Southwest Airlines flights are seen on the flight schedules at LaGuardia Airport, Tuesday, Dec. 27, 2022, in New York. The U.S. Department of Transportation says it will look into flight cancellations by Southwest that have left travelers stranded at airports across the country amid an intense winter storm.   (AP Photo/Yuki Iwamura)
            
              Passengers wait in line to check in for their flights at Southwest Airlines service desk at LaGuardia Airport, Tuesday, Dec. 27, 2022, in New York. The U.S. Department of Transportation says it will look into flight cancellations by Southwest that have left travelers stranded at airports across the country amid an intense winter storm.  (AP Photo/Yuki Iwamura)
            
              Southwest Airlines' aircraft parked on the tarmac of LaGuardia Airport, Tuesday, Dec. 27, 2022, in New York. The U.S. Department of Transportation says it will look into flight cancellations by Southwest Airlines that have left travelers stranded at airports across the country amid an intense winter storm.  (AP Photo/Yuki Iwamura)
            
              Itzel Enciso, 19, who is visiting Chicago from Los Angeles and said her bag was mistakenly tagged to arrive in Cleveland, looks for her lost luggage near the baggage carousel at Midway Airport in Chicago, Tuesday, Dec. 27, 2022, after Southwest Airlines flights were cancelled and delayed during a winter storm. Problems at Southwest Airlines appeared to snowball after the worst of the storm passed. It cancelled more than 70% of its flights Monday, more than 60% on Tuesday, and warned that it would operate just over a third of its usual schedule in the days ahead to allow crews to get back to where they needed to be. (Pat Nabong /Chicago Sun-Times via AP)
            
              Airport staff walks around a pile of lost suitcases near the baggage carousel at Midway Airport in Chicago, Tuesday, Dec. 27, 2022, after Southwest Airlines flights were cancelled and delayed during a winter storm. Problems at Southwest Airlines appeared to snowball after the worst of the storm passed. It cancelled more than 70% of its flights Monday, more than 60% on Tuesday, and warned that it would operate just over a third of its usual schedule in the days ahead to allow crews to get back to where they needed to be. (Pat Nabong /Chicago Sun-Times via AP)
            
              Airport staff looks around a pile of lost suitcases near the baggage carousel at Midway Airport in Chicago, Tuesday, Dec. 27, 2022, after Southwest Airlines flights were cancelled and delayed during a winter storm. Problems at Southwest Airlines appeared to snowball after the worst of the storm passed. It cancelled more than 70% of its flights Monday, more than 60% on Tuesday, and warned that it would operate just over a third of its usual schedule in the days ahead to allow crews to get back to where they needed to be. (Pat Nabong /Chicago Sun-Times via AP)
            
              Signs that read "DCA, ONT and MHT" are posted behind lost suitcases near the baggage carousel at Midway Airport in Chicago, Tuesday, Dec. 27, 2022, after Southwest Airlines flights were cancelled and delayed during a winter storm. Problems at Southwest Airlines appeared to snowball after the worst of the storm passed. It cancelled more than 70% of its flights Monday, more than 60% on Tuesday, and warned that it would operate just over a third of its usual schedule in the days ahead to allow crews to get back to where they needed to be. (Pat Nabong /Chicago Sun-Times via AP)
            
              Hundreds of unclaimed suitcases and a box wrapped in Christmas wrapper sit near the baggage carousel at Midway Airport in Chicago, Tuesday, Dec. 27, 2022, after Southwest Airlines flights were cancelled and delayed during a winter storm. Problems at Southwest Airlines appeared to snowball after the worst of the storm passed. It cancelled more than 70% of its flights Monday, more than 60% on Tuesday, and warned that it would operate just over a third of its usual schedule in the days ahead to allow crews to get back to where they needed to be. (Pat Nabong /Chicago Sun-Times via AP)
            
              Airport staff looks at a tag on a pile of lost suitcases near the baggage carousel at Midway Airport, Tuesday, Dec. 27, 2022, after Southwest Airlines flights were cancelled and delayed during a winter storm.  Problems at Southwest Airlines appeared to snowball after the worst of the storm passed. It cancelled more than 70% of its flights Monday, more than 60% on Tuesday, and warned that it would operate just over a third of its usual schedule in the days ahead to allow crews to get back to where they needed to be. (Pat Nabong /Chicago Sun-Times via AP)
            
              Southwest Airlines' aircraft parked on the tarmac of LaGuardia Airport, Tuesday, Dec. 27, 2022, in New York. The U.S. Department of Transportation says it will look into flight cancellations by Southwest Airlines that have left travelers stranded at airports across the country amid an intense winter storm.  (AP Photo/Yuki Iwamura)
            
              Southwest Airlines' aircrafts parked on the tarmac of LaGuardia Airport, Tuesday, Dec. 27, 2022, in New York. The U.S. Department of Transportation says it will look into flight cancellations by Southwest Airlines that have left travelers stranded at airports across the country amid an intense winter storm.  (AP Photo/Yuki Iwamura)
            
              A person looks for lost luggage near the baggage carousel at Chicago Midway International Airport, Tuesday, Dec. 27, 2022, after Southwest Airlines flights were cancelled and delayed during winter storm Elliott. Passengers from flights across the U.S. looked for and waited for their lost luggage Tuesday morning. (Pat Nabong/Chicago Sun-Times via AP)
            
              People looking for their lost luggage line up outside Southwest Airlines' office near the baggage carousel at Midway International Airport, Tuesday, Dec. 27, 2022, in Chicago, after Southwest Airlines flights were cancelled and delayed during winter storm Elliott. Passengers from flights across the U.S. looked for and waited for their lost luggage Tuesday morning. (Pat Nabong/Chicago Sun-Times via AP)
            
              A person looks for lost luggage near the baggage carousel at Midway Airport in Chicago, Tuesday, Dec. 27, 2022, after Southwest Airlines flights were cancelled and delayed during a winter storm. Problems at Southwest Airlines appeared to snowball after the worst of the storm passed. It cancelled more than 70% of its flights Monday, more than 60% on Tuesday, and warned that it would operate just over a third of its usual schedule in the days ahead to allow crews to get back to where they needed to be. (Pat Nabong /Chicago Sun-Times via AP)
            
              Passengers wait in line to check in for their flights at Southwest Airlines service desk at LaGuardia Airport, Tuesday, Dec. 27, 2022, in New York. The U.S. Department of Transportation says it will look into flight cancellations by Southwest that have left travelers stranded at airports across the country amid an intense winter storm.  (AP Photo/Yuki Iwamura)
            
              Passengers wait in line to check in for their flights at Southwest Airlines service desk at LaGuardia Airport, Tuesday, Dec. 27, 2022, in New York. The U.S. Department of Transportation says it will look into flight cancellations by Southwest that have left travelers stranded at airports across the country amid an intense winter storm.  (AP Photo/Yuki Iwamura)
            
              Southwest Airlines' aircrafts parked on the tarmac of LaGuardia Airport, Tuesday, Dec. 27, 2022, in New York. The U.S. Department of Transportation says it will look into flight cancellations by Southwest Airlines that have left travelers stranded at airports across the country amid an intense winter storm.  (AP Photo/Yuki Iwamura)
            
              Conrad Stoll, a 66-year-old retired construction worker who lives near Nevada, Mo., waits at the Kansas City International Airport in Kansas City, Mo., for his wife to pick him up after his Southwest flight to Los Angeles was canceled early Tuesday, Dec. 27, 2022. He had planned to make the trip so he could attend his father's 90th birthday party and see his 88-year-old mother. (AP Photo/Heather Hollingsworth)
            
              A traveler wades through the field of unclaimed bags at the Southwest Airlines luggage carousels at Denver International Airport, Tuesday, Dec. 27, 2022, in Denver. (AP Photo/David Zalubowski)
            
              Travelers wade through the south security checkpoint in Denver International Airport Tuesday, Dec. 27, 2022, in Denver. (AP Photo/David Zalubowski)
            
              Baggage waits to be claimed at the Southwest Airlines baggage claim Tuesday, Dec. 27, 2022, at Salt Lake City International Airport, in Salt Lake City. Many airlines were forced to cancel flights due to the weather, but Southwest was by far the most affected. Of the 2,890 flight cancellations in the U.S. early Tuesday, 2,522 were called off by Southwest, according to the tracking website FlightAware. (AP Photo/Rick Bowmer)
            
              Cancelled Southwest Airlines flights are seen on the flight schedules at LaGuardia Airport, Tuesday, Dec. 27, 2022, in New York. The U.S. Department of Transportation says it will look into flight cancellations by Southwest that have left travelers stranded at airports across the country amid an intense winter storm.   (AP Photo/Yuki Iwamura)
            
              Passengers wait in line to check in for their flights at Southwest Airlines service desk at LaGuardia Airport, Tuesday, Dec. 27, 2022, in New York. The U.S. Department of Transportation says it will look into flight cancellations by Southwest that have left travelers stranded at airports across the country amid an intense winter storm.  (AP Photo/Yuki Iwamura)
            
              Southwest Airlines' aircraft parked on the tarmac of LaGuardia Airport, Tuesday, Dec. 27, 2022, in New York. The U.S. Department of Transportation says it will look into flight cancellations by Southwest Airlines that have left travelers stranded at airports across the country amid an intense winter storm.  (AP Photo/Yuki Iwamura)
            
              Itzel Enciso, 19, who is visiting Chicago from Los Angeles and said her bag was mistakenly tagged to arrive in Cleveland, looks for her lost luggage near the baggage carousel at Midway Airport in Chicago, Tuesday, Dec. 27, 2022, after Southwest Airlines flights were cancelled and delayed during a winter storm. Problems at Southwest Airlines appeared to snowball after the worst of the storm passed. It cancelled more than 70% of its flights Monday, more than 60% on Tuesday, and warned that it would operate just over a third of its usual schedule in the days ahead to allow crews to get back to where they needed to be. (Pat Nabong /Chicago Sun-Times via AP)
            
              Airport staff walks around a pile of lost suitcases near the baggage carousel at Midway Airport in Chicago, Tuesday, Dec. 27, 2022, after Southwest Airlines flights were cancelled and delayed during a winter storm. Problems at Southwest Airlines appeared to snowball after the worst of the storm passed. It cancelled more than 70% of its flights Monday, more than 60% on Tuesday, and warned that it would operate just over a third of its usual schedule in the days ahead to allow crews to get back to where they needed to be. (Pat Nabong /Chicago Sun-Times via AP)
            
              Airport staff looks around a pile of lost suitcases near the baggage carousel at Midway Airport in Chicago, Tuesday, Dec. 27, 2022, after Southwest Airlines flights were cancelled and delayed during a winter storm. Problems at Southwest Airlines appeared to snowball after the worst of the storm passed. It cancelled more than 70% of its flights Monday, more than 60% on Tuesday, and warned that it would operate just over a third of its usual schedule in the days ahead to allow crews to get back to where they needed to be. (Pat Nabong /Chicago Sun-Times via AP)
            
              Signs that read "DCA, ONT and MHT" are posted behind lost suitcases near the baggage carousel at Midway Airport in Chicago, Tuesday, Dec. 27, 2022, after Southwest Airlines flights were cancelled and delayed during a winter storm. Problems at Southwest Airlines appeared to snowball after the worst of the storm passed. It cancelled more than 70% of its flights Monday, more than 60% on Tuesday, and warned that it would operate just over a third of its usual schedule in the days ahead to allow crews to get back to where they needed to be. (Pat Nabong /Chicago Sun-Times via AP)
            
              Hundreds of unclaimed suitcases and a box wrapped in Christmas wrapper sit near the baggage carousel at Midway Airport in Chicago, Tuesday, Dec. 27, 2022, after Southwest Airlines flights were cancelled and delayed during a winter storm. Problems at Southwest Airlines appeared to snowball after the worst of the storm passed. It cancelled more than 70% of its flights Monday, more than 60% on Tuesday, and warned that it would operate just over a third of its usual schedule in the days ahead to allow crews to get back to where they needed to be. (Pat Nabong /Chicago Sun-Times via AP)
            
              Airport staff looks at a tag on a pile of lost suitcases near the baggage carousel at Midway Airport, Tuesday, Dec. 27, 2022, after Southwest Airlines flights were cancelled and delayed during a winter storm.  Problems at Southwest Airlines appeared to snowball after the worst of the storm passed. It cancelled more than 70% of its flights Monday, more than 60% on Tuesday, and warned that it would operate just over a third of its usual schedule in the days ahead to allow crews to get back to where they needed to be. (Pat Nabong /Chicago Sun-Times via AP)
            
              Southwest Airlines' aircraft parked on the tarmac of LaGuardia Airport, Tuesday, Dec. 27, 2022, in New York. The U.S. Department of Transportation says it will look into flight cancellations by Southwest Airlines that have left travelers stranded at airports across the country amid an intense winter storm.  (AP Photo/Yuki Iwamura)
            
              Southwest Airlines' aircrafts parked on the tarmac of LaGuardia Airport, Tuesday, Dec. 27, 2022, in New York. The U.S. Department of Transportation says it will look into flight cancellations by Southwest Airlines that have left travelers stranded at airports across the country amid an intense winter storm.  (AP Photo/Yuki Iwamura)
            
              A person looks for lost luggage near the baggage carousel at Chicago Midway International Airport, Tuesday, Dec. 27, 2022, after Southwest Airlines flights were cancelled and delayed during winter storm Elliott. Passengers from flights across the U.S. looked for and waited for their lost luggage Tuesday morning. (Pat Nabong/Chicago Sun-Times via AP)
            
              People looking for their lost luggage line up outside Southwest Airlines' office near the baggage carousel at Midway International Airport, Tuesday, Dec. 27, 2022, in Chicago, after Southwest Airlines flights were cancelled and delayed during winter storm Elliott. Passengers from flights across the U.S. looked for and waited for their lost luggage Tuesday morning. (Pat Nabong/Chicago Sun-Times via AP)
            
              A person looks for lost luggage near the baggage carousel at Midway Airport in Chicago, Tuesday, Dec. 27, 2022, after Southwest Airlines flights were cancelled and delayed during a winter storm. Problems at Southwest Airlines appeared to snowball after the worst of the storm passed. It cancelled more than 70% of its flights Monday, more than 60% on Tuesday, and warned that it would operate just over a third of its usual schedule in the days ahead to allow crews to get back to where they needed to be. (Pat Nabong /Chicago Sun-Times via AP)
            
              Passengers wait in line to check in for their flights at Southwest Airlines service desk at LaGuardia Airport, Tuesday, Dec. 27, 2022, in New York. The U.S. Department of Transportation says it will look into flight cancellations by Southwest that have left travelers stranded at airports across the country amid an intense winter storm.  (AP Photo/Yuki Iwamura)
            
              Passengers wait in line to check in for their flights at Southwest Airlines service desk at LaGuardia Airport, Tuesday, Dec. 27, 2022, in New York. The U.S. Department of Transportation says it will look into flight cancellations by Southwest that have left travelers stranded at airports across the country amid an intense winter storm.  (AP Photo/Yuki Iwamura)
            
              Southwest Airlines' aircrafts parked on the tarmac of LaGuardia Airport, Tuesday, Dec. 27, 2022, in New York. The U.S. Department of Transportation says it will look into flight cancellations by Southwest Airlines that have left travelers stranded at airports across the country amid an intense winter storm.  (AP Photo/Yuki Iwamura)
            
              Conrad Stoll, a 66-year-old retired construction worker who lives near Nevada, Mo., waits at the Kansas City International Airport in Kansas City, Mo., for his wife to pick him up after his Southwest flight to Los Angeles was canceled early Tuesday, Dec. 27, 2022. He had planned to make the trip so he could attend his father's 90th birthday party and see his 88-year-old mother. (AP Photo/Heather Hollingsworth)
            
              A traveler wades through the field of unclaimed bags at the Southwest Airlines luggage carousels at Denver International Airport, Tuesday, Dec. 27, 2022, in Denver. (AP Photo/David Zalubowski)
            
              Travelers wade through the south security checkpoint in Denver International Airport Tuesday, Dec. 27, 2022, in Denver. (AP Photo/David Zalubowski)
            
              Baggage waits to be claimed at the Southwest Airlines baggage claim Tuesday, Dec. 27, 2022, at Salt Lake City International Airport, in Salt Lake City. Many airlines were forced to cancel flights due to the weather, but Southwest was by far the most affected. Of the 2,890 flight cancellations in the U.S. early Tuesday, 2,522 were called off by Southwest, according to the tracking website FlightAware. (AP Photo/Rick Bowmer)
            
              Travelers wade through the south security checkpoint in Denver International Airport Tuesday, Dec. 27, 2022, in Denver. (AP Photo/David Zalubowski)
            
              Baggage waits to be claimed at the Southwest Airlines baggage claim Tuesday, Dec. 27, 2022, at Salt Lake City International Airport, in Salt Lake City. Many airlines were forced to cancel flights due to the weather, but Southwest was by far the most affected. Of the 2,890 flight cancellations in the U.S. early Tuesday, 2,522 were called off by Southwest, according to the tracking website FlightAware. (AP Photo/Rick Bowmer)
            
              Cancelled Southwest Airlines flights are seen on the flight schedules at LaGuardia Airport, Tuesday, Dec. 27, 2022, in New York. The U.S. Department of Transportation says it will look into flight cancellations by Southwest that have left travelers stranded at airports across the country amid an intense winter storm.   (AP Photo/Yuki Iwamura)
            
              Passengers wait in line to check in for their flights at Southwest Airlines service desk at LaGuardia Airport, Tuesday, Dec. 27, 2022, in New York. The U.S. Department of Transportation says it will look into flight cancellations by Southwest that have left travelers stranded at airports across the country amid an intense winter storm.  (AP Photo/Yuki Iwamura)
            
              Southwest Airlines' aircraft parked on the tarmac of LaGuardia Airport, Tuesday, Dec. 27, 2022, in New York. The U.S. Department of Transportation says it will look into flight cancellations by Southwest Airlines that have left travelers stranded at airports across the country amid an intense winter storm.  (AP Photo/Yuki Iwamura)
            
              Itzel Enciso, 19, who is visiting Chicago from Los Angeles and said her bag was mistakenly tagged to arrive in Cleveland, looks for her lost luggage near the baggage carousel at Midway Airport in Chicago, Tuesday, Dec. 27, 2022, after Southwest Airlines flights were cancelled and delayed during a winter storm. Problems at Southwest Airlines appeared to snowball after the worst of the storm passed. It cancelled more than 70% of its flights Monday, more than 60% on Tuesday, and warned that it would operate just over a third of its usual schedule in the days ahead to allow crews to get back to where they needed to be. (Pat Nabong /Chicago Sun-Times via AP)
            
              Airport staff walks around a pile of lost suitcases near the baggage carousel at Midway Airport in Chicago, Tuesday, Dec. 27, 2022, after Southwest Airlines flights were cancelled and delayed during a winter storm. Problems at Southwest Airlines appeared to snowball after the worst of the storm passed. It cancelled more than 70% of its flights Monday, more than 60% on Tuesday, and warned that it would operate just over a third of its usual schedule in the days ahead to allow crews to get back to where they needed to be. (Pat Nabong /Chicago Sun-Times via AP)
            
              Airport staff looks around a pile of lost suitcases near the baggage carousel at Midway Airport in Chicago, Tuesday, Dec. 27, 2022, after Southwest Airlines flights were cancelled and delayed during a winter storm. Problems at Southwest Airlines appeared to snowball after the worst of the storm passed. It cancelled more than 70% of its flights Monday, more than 60% on Tuesday, and warned that it would operate just over a third of its usual schedule in the days ahead to allow crews to get back to where they needed to be. (Pat Nabong /Chicago Sun-Times via AP)
            
              Signs that read "DCA, ONT and MHT" are posted behind lost suitcases near the baggage carousel at Midway Airport in Chicago, Tuesday, Dec. 27, 2022, after Southwest Airlines flights were cancelled and delayed during a winter storm. Problems at Southwest Airlines appeared to snowball after the worst of the storm passed. It cancelled more than 70% of its flights Monday, more than 60% on Tuesday, and warned that it would operate just over a third of its usual schedule in the days ahead to allow crews to get back to where they needed to be. (Pat Nabong /Chicago Sun-Times via AP)
            
              Hundreds of unclaimed suitcases and a box wrapped in Christmas wrapper sit near the baggage carousel at Midway Airport in Chicago, Tuesday, Dec. 27, 2022, after Southwest Airlines flights were cancelled and delayed during a winter storm. Problems at Southwest Airlines appeared to snowball after the worst of the storm passed. It cancelled more than 70% of its flights Monday, more than 60% on Tuesday, and warned that it would operate just over a third of its usual schedule in the days ahead to allow crews to get back to where they needed to be. (Pat Nabong /Chicago Sun-Times via AP)
            
              Airport staff looks at a tag on a pile of lost suitcases near the baggage carousel at Midway Airport, Tuesday, Dec. 27, 2022, after Southwest Airlines flights were cancelled and delayed during a winter storm.  Problems at Southwest Airlines appeared to snowball after the worst of the storm passed. It cancelled more than 70% of its flights Monday, more than 60% on Tuesday, and warned that it would operate just over a third of its usual schedule in the days ahead to allow crews to get back to where they needed to be. (Pat Nabong /Chicago Sun-Times via AP)
            
              Southwest Airlines' aircraft parked on the tarmac of LaGuardia Airport, Tuesday, Dec. 27, 2022, in New York. The U.S. Department of Transportation says it will look into flight cancellations by Southwest Airlines that have left travelers stranded at airports across the country amid an intense winter storm.  (AP Photo/Yuki Iwamura)
            
              Southwest Airlines' aircrafts parked on the tarmac of LaGuardia Airport, Tuesday, Dec. 27, 2022, in New York. The U.S. Department of Transportation says it will look into flight cancellations by Southwest Airlines that have left travelers stranded at airports across the country amid an intense winter storm.  (AP Photo/Yuki Iwamura)
            
              A person looks for lost luggage near the baggage carousel at Chicago Midway International Airport, Tuesday, Dec. 27, 2022, after Southwest Airlines flights were cancelled and delayed during winter storm Elliott. Passengers from flights across the U.S. looked for and waited for their lost luggage Tuesday morning. (Pat Nabong/Chicago Sun-Times via AP)
            
              People looking for their lost luggage line up outside Southwest Airlines' office near the baggage carousel at Midway International Airport, Tuesday, Dec. 27, 2022, in Chicago, after Southwest Airlines flights were cancelled and delayed during winter storm Elliott. Passengers from flights across the U.S. looked for and waited for their lost luggage Tuesday morning. (Pat Nabong/Chicago Sun-Times via AP)
            
              A person looks for lost luggage near the baggage carousel at Midway Airport in Chicago, Tuesday, Dec. 27, 2022, after Southwest Airlines flights were cancelled and delayed during a winter storm. Problems at Southwest Airlines appeared to snowball after the worst of the storm passed. It cancelled more than 70% of its flights Monday, more than 60% on Tuesday, and warned that it would operate just over a third of its usual schedule in the days ahead to allow crews to get back to where they needed to be. (Pat Nabong /Chicago Sun-Times via AP)
            
              Passengers wait in line to check in for their flights at Southwest Airlines service desk at LaGuardia Airport, Tuesday, Dec. 27, 2022, in New York. The U.S. Department of Transportation says it will look into flight cancellations by Southwest that have left travelers stranded at airports across the country amid an intense winter storm.  (AP Photo/Yuki Iwamura)
            
              Passengers wait in line to check in for their flights at Southwest Airlines service desk at LaGuardia Airport, Tuesday, Dec. 27, 2022, in New York. The U.S. Department of Transportation says it will look into flight cancellations by Southwest that have left travelers stranded at airports across the country amid an intense winter storm.  (AP Photo/Yuki Iwamura)
            
              Southwest Airlines' aircrafts parked on the tarmac of LaGuardia Airport, Tuesday, Dec. 27, 2022, in New York. The U.S. Department of Transportation says it will look into flight cancellations by Southwest Airlines that have left travelers stranded at airports across the country amid an intense winter storm.  (AP Photo/Yuki Iwamura)
            
              Conrad Stoll, a 66-year-old retired construction worker who lives near Nevada, Mo., waits at the Kansas City International Airport in Kansas City, Mo., for his wife to pick him up after his Southwest flight to Los Angeles was canceled early Tuesday, Dec. 27, 2022. He had planned to make the trip so he could attend his father's 90th birthday party and see his 88-year-old mother. (AP Photo/Heather Hollingsworth)
            
              Airport staff and a person walks around a pile of lost suitcases near the baggage carousel at Midway Airport in Chicago, Tuesday, Dec. 27, 2022, after Southwest Airlines flights were cancelled and delayed during a winter storm.  Problems at Southwest Airlines appeared to snowball after the worst of the storm passed. It cancelled more than 70% of its flights Monday, more than 60% on Tuesday, and warned that it would operate just over a third of its usual schedule in the days ahead to allow crews to get back to where they needed to be. (Pat Nabong /Chicago Sun-Times via AP)
            
              Cancelled Southwest Airlines flights are seen on the flight schedules at LaGuardia Airport, Tuesday, Dec. 27, 2022, in New York. The U.S. Department of Transportation says it will look into flight cancellations by Southwest that have left travelers stranded at airports across the country amid an intense winter storm.   (AP Photo/Yuki Iwamura)
            
              Passengers wait in line to check in for their flights at Southwest Airlines service desk at LaGuardia Airport, Tuesday, Dec. 27, 2022, in New York. The U.S. Department of Transportation says it will look into flight cancellations by Southwest that have left travelers stranded at airports across the country amid an intense winter storm.  (AP Photo/Yuki Iwamura)
            
              Southwest Airlines' aircraft parked on the tarmac of LaGuardia Airport, Tuesday, Dec. 27, 2022, in New York. The U.S. Department of Transportation says it will look into flight cancellations by Southwest Airlines that have left travelers stranded at airports across the country amid an intense winter storm.  (AP Photo/Yuki Iwamura)
            
              Itzel Enciso, 19, who is visiting Chicago from Los Angeles and said her bag was mistakenly tagged to arrive in Cleveland, looks for her lost luggage near the baggage carousel at Midway Airport in Chicago, Tuesday, Dec. 27, 2022, after Southwest Airlines flights were cancelled and delayed during a winter storm. Problems at Southwest Airlines appeared to snowball after the worst of the storm passed. It cancelled more than 70% of its flights Monday, more than 60% on Tuesday, and warned that it would operate just over a third of its usual schedule in the days ahead to allow crews to get back to where they needed to be. (Pat Nabong /Chicago Sun-Times via AP)
            
              Airport staff walks around a pile of lost suitcases near the baggage carousel at Midway Airport in Chicago, Tuesday, Dec. 27, 2022, after Southwest Airlines flights were cancelled and delayed during a winter storm. Problems at Southwest Airlines appeared to snowball after the worst of the storm passed. It cancelled more than 70% of its flights Monday, more than 60% on Tuesday, and warned that it would operate just over a third of its usual schedule in the days ahead to allow crews to get back to where they needed to be. (Pat Nabong /Chicago Sun-Times via AP)
            
              Airport staff looks around a pile of lost suitcases near the baggage carousel at Midway Airport in Chicago, Tuesday, Dec. 27, 2022, after Southwest Airlines flights were cancelled and delayed during a winter storm. Problems at Southwest Airlines appeared to snowball after the worst of the storm passed. It cancelled more than 70% of its flights Monday, more than 60% on Tuesday, and warned that it would operate just over a third of its usual schedule in the days ahead to allow crews to get back to where they needed to be. (Pat Nabong /Chicago Sun-Times via AP)
            
              Signs that read "DCA, ONT and MHT" are posted behind lost suitcases near the baggage carousel at Midway Airport in Chicago, Tuesday, Dec. 27, 2022, after Southwest Airlines flights were cancelled and delayed during a winter storm. Problems at Southwest Airlines appeared to snowball after the worst of the storm passed. It cancelled more than 70% of its flights Monday, more than 60% on Tuesday, and warned that it would operate just over a third of its usual schedule in the days ahead to allow crews to get back to where they needed to be. (Pat Nabong /Chicago Sun-Times via AP)
            
              Hundreds of unclaimed suitcases and a box wrapped in Christmas wrapper sit near the baggage carousel at Midway Airport in Chicago, Tuesday, Dec. 27, 2022, after Southwest Airlines flights were cancelled and delayed during a winter storm. Problems at Southwest Airlines appeared to snowball after the worst of the storm passed. It cancelled more than 70% of its flights Monday, more than 60% on Tuesday, and warned that it would operate just over a third of its usual schedule in the days ahead to allow crews to get back to where they needed to be. (Pat Nabong /Chicago Sun-Times via AP)
            
              Airport staff looks at a tag on a pile of lost suitcases near the baggage carousel at Midway Airport, Tuesday, Dec. 27, 2022, after Southwest Airlines flights were cancelled and delayed during a winter storm.  Problems at Southwest Airlines appeared to snowball after the worst of the storm passed. It cancelled more than 70% of its flights Monday, more than 60% on Tuesday, and warned that it would operate just over a third of its usual schedule in the days ahead to allow crews to get back to where they needed to be. (Pat Nabong /Chicago Sun-Times via AP)
            
              Southwest Airlines' aircraft parked on the tarmac of LaGuardia Airport, Tuesday, Dec. 27, 2022, in New York. The U.S. Department of Transportation says it will look into flight cancellations by Southwest Airlines that have left travelers stranded at airports across the country amid an intense winter storm.  (AP Photo/Yuki Iwamura)
            
              Southwest Airlines' aircrafts parked on the tarmac of LaGuardia Airport, Tuesday, Dec. 27, 2022, in New York. The U.S. Department of Transportation says it will look into flight cancellations by Southwest Airlines that have left travelers stranded at airports across the country amid an intense winter storm.  (AP Photo/Yuki Iwamura)
            
              A person looks for lost luggage near the baggage carousel at Chicago Midway International Airport, Tuesday, Dec. 27, 2022, after Southwest Airlines flights were cancelled and delayed during winter storm Elliott. Passengers from flights across the U.S. looked for and waited for their lost luggage Tuesday morning. (Pat Nabong/Chicago Sun-Times via AP)
            
              People looking for their lost luggage line up outside Southwest Airlines' office near the baggage carousel at Midway International Airport, Tuesday, Dec. 27, 2022, in Chicago, after Southwest Airlines flights were cancelled and delayed during winter storm Elliott. Passengers from flights across the U.S. looked for and waited for their lost luggage Tuesday morning. (Pat Nabong/Chicago Sun-Times via AP)
            
              A person looks for lost luggage near the baggage carousel at Midway Airport in Chicago, Tuesday, Dec. 27, 2022, after Southwest Airlines flights were cancelled and delayed during a winter storm. Problems at Southwest Airlines appeared to snowball after the worst of the storm passed. It cancelled more than 70% of its flights Monday, more than 60% on Tuesday, and warned that it would operate just over a third of its usual schedule in the days ahead to allow crews to get back to where they needed to be. (Pat Nabong /Chicago Sun-Times via AP)
            
              Passengers wait in line to check in for their flights at Southwest Airlines service desk at LaGuardia Airport, Tuesday, Dec. 27, 2022, in New York. The U.S. Department of Transportation says it will look into flight cancellations by Southwest that have left travelers stranded at airports across the country amid an intense winter storm.  (AP Photo/Yuki Iwamura)
            
              Passengers wait in line to check in for their flights at Southwest Airlines service desk at LaGuardia Airport, Tuesday, Dec. 27, 2022, in New York. The U.S. Department of Transportation says it will look into flight cancellations by Southwest that have left travelers stranded at airports across the country amid an intense winter storm.  (AP Photo/Yuki Iwamura)
            
              Southwest Airlines' aircrafts parked on the tarmac of LaGuardia Airport, Tuesday, Dec. 27, 2022, in New York. The U.S. Department of Transportation says it will look into flight cancellations by Southwest Airlines that have left travelers stranded at airports across the country amid an intense winter storm.  (AP Photo/Yuki Iwamura)
            
              Conrad Stoll, a 66-year-old retired construction worker who lives near Nevada, Mo., waits at the Kansas City International Airport in Kansas City, Mo., for his wife to pick him up after his Southwest flight to Los Angeles was canceled early Tuesday, Dec. 27, 2022. He had planned to make the trip so he could attend his father's 90th birthday party and see his 88-year-old mother. (AP Photo/Heather Hollingsworth)
            
              Airport staff and a person walks around a pile of lost suitcases near the baggage carousel at Midway Airport in Chicago, Tuesday, Dec. 27, 2022, after Southwest Airlines flights were cancelled and delayed during a winter storm.  Problems at Southwest Airlines appeared to snowball after the worst of the storm passed. It cancelled more than 70% of its flights Monday, more than 60% on Tuesday, and warned that it would operate just over a third of its usual schedule in the days ahead to allow crews to get back to where they needed to be. (Pat Nabong /Chicago Sun-Times via AP)
            
              Cancelled Southwest Airlines flights are seen on the flight schedules at LaGuardia Airport, Tuesday, Dec. 27, 2022, in New York. The U.S. Department of Transportation says it will look into flight cancellations by Southwest that have left travelers stranded at airports across the country amid an intense winter storm.   (AP Photo/Yuki Iwamura)
            
              Passengers wait in line to check in for their flights at Southwest Airlines service desk at LaGuardia Airport, Tuesday, Dec. 27, 2022, in New York. The U.S. Department of Transportation says it will look into flight cancellations by Southwest that have left travelers stranded at airports across the country amid an intense winter storm.  (AP Photo/Yuki Iwamura)
            
              Southwest Airlines' aircraft parked on the tarmac of LaGuardia Airport, Tuesday, Dec. 27, 2022, in New York. The U.S. Department of Transportation says it will look into flight cancellations by Southwest Airlines that have left travelers stranded at airports across the country amid an intense winter storm.  (AP Photo/Yuki Iwamura)
            
              Itzel Enciso, 19, who is visiting Chicago from Los Angeles and said her bag was mistakenly tagged to arrive in Cleveland, looks for her lost luggage near the baggage carousel at Midway Airport in Chicago, Tuesday, Dec. 27, 2022, after Southwest Airlines flights were cancelled and delayed during a winter storm. Problems at Southwest Airlines appeared to snowball after the worst of the storm passed. It cancelled more than 70% of its flights Monday, more than 60% on Tuesday, and warned that it would operate just over a third of its usual schedule in the days ahead to allow crews to get back to where they needed to be. (Pat Nabong /Chicago Sun-Times via AP)
            
              Airport staff walks around a pile of lost suitcases near the baggage carousel at Midway Airport in Chicago, Tuesday, Dec. 27, 2022, after Southwest Airlines flights were cancelled and delayed during a winter storm. Problems at Southwest Airlines appeared to snowball after the worst of the storm passed. It cancelled more than 70% of its flights Monday, more than 60% on Tuesday, and warned that it would operate just over a third of its usual schedule in the days ahead to allow crews to get back to where they needed to be. (Pat Nabong /Chicago Sun-Times via AP)
            
              Airport staff looks around a pile of lost suitcases near the baggage carousel at Midway Airport in Chicago, Tuesday, Dec. 27, 2022, after Southwest Airlines flights were cancelled and delayed during a winter storm. Problems at Southwest Airlines appeared to snowball after the worst of the storm passed. It cancelled more than 70% of its flights Monday, more than 60% on Tuesday, and warned that it would operate just over a third of its usual schedule in the days ahead to allow crews to get back to where they needed to be. (Pat Nabong /Chicago Sun-Times via AP)
            
              Signs that read "DCA, ONT and MHT" are posted behind lost suitcases near the baggage carousel at Midway Airport in Chicago, Tuesday, Dec. 27, 2022, after Southwest Airlines flights were cancelled and delayed during a winter storm. Problems at Southwest Airlines appeared to snowball after the worst of the storm passed. It cancelled more than 70% of its flights Monday, more than 60% on Tuesday, and warned that it would operate just over a third of its usual schedule in the days ahead to allow crews to get back to where they needed to be. (Pat Nabong /Chicago Sun-Times via AP)
            
              Hundreds of unclaimed suitcases and a box wrapped in Christmas wrapper sit near the baggage carousel at Midway Airport in Chicago, Tuesday, Dec. 27, 2022, after Southwest Airlines flights were cancelled and delayed during a winter storm. Problems at Southwest Airlines appeared to snowball after the worst of the storm passed. It cancelled more than 70% of its flights Monday, more than 60% on Tuesday, and warned that it would operate just over a third of its usual schedule in the days ahead to allow crews to get back to where they needed to be. (Pat Nabong /Chicago Sun-Times via AP)
            
              Airport staff looks at a tag on a pile of lost suitcases near the baggage carousel at Midway Airport, Tuesday, Dec. 27, 2022, after Southwest Airlines flights were cancelled and delayed during a winter storm.  Problems at Southwest Airlines appeared to snowball after the worst of the storm passed. It cancelled more than 70% of its flights Monday, more than 60% on Tuesday, and warned that it would operate just over a third of its usual schedule in the days ahead to allow crews to get back to where they needed to be. (Pat Nabong /Chicago Sun-Times via AP)
            
              Southwest Airlines' aircraft parked on the tarmac of LaGuardia Airport, Tuesday, Dec. 27, 2022, in New York. The U.S. Department of Transportation says it will look into flight cancellations by Southwest Airlines that have left travelers stranded at airports across the country amid an intense winter storm.  (AP Photo/Yuki Iwamura)
            
              Southwest Airlines' aircrafts parked on the tarmac of LaGuardia Airport, Tuesday, Dec. 27, 2022, in New York. The U.S. Department of Transportation says it will look into flight cancellations by Southwest Airlines that have left travelers stranded at airports across the country amid an intense winter storm.  (AP Photo/Yuki Iwamura)
            
              A person looks for lost luggage near the baggage carousel at Chicago Midway International Airport, Tuesday, Dec. 27, 2022, after Southwest Airlines flights were cancelled and delayed during winter storm Elliott. Passengers from flights across the U.S. looked for and waited for their lost luggage Tuesday morning. (Pat Nabong/Chicago Sun-Times via AP)
            
              People looking for their lost luggage line up outside Southwest Airlines' office near the baggage carousel at Midway International Airport, Tuesday, Dec. 27, 2022, in Chicago, after Southwest Airlines flights were cancelled and delayed during winter storm Elliott. Passengers from flights across the U.S. looked for and waited for their lost luggage Tuesday morning. (Pat Nabong/Chicago Sun-Times via AP)
            
              A person looks for lost luggage near the baggage carousel at Midway Airport in Chicago, Tuesday, Dec. 27, 2022, after Southwest Airlines flights were cancelled and delayed during a winter storm. Problems at Southwest Airlines appeared to snowball after the worst of the storm passed. It cancelled more than 70% of its flights Monday, more than 60% on Tuesday, and warned that it would operate just over a third of its usual schedule in the days ahead to allow crews to get back to where they needed to be. (Pat Nabong /Chicago Sun-Times via AP)
            
              Passengers wait in line to check in for their flights at Southwest Airlines service desk at LaGuardia Airport, Tuesday, Dec. 27, 2022, in New York. The U.S. Department of Transportation says it will look into flight cancellations by Southwest that have left travelers stranded at airports across the country amid an intense winter storm.  (AP Photo/Yuki Iwamura)
            
              Passengers wait in line to check in for their flights at Southwest Airlines service desk at LaGuardia Airport, Tuesday, Dec. 27, 2022, in New York. The U.S. Department of Transportation says it will look into flight cancellations by Southwest that have left travelers stranded at airports across the country amid an intense winter storm.  (AP Photo/Yuki Iwamura)
            
              Southwest Airlines' aircrafts parked on the tarmac of LaGuardia Airport, Tuesday, Dec. 27, 2022, in New York. The U.S. Department of Transportation says it will look into flight cancellations by Southwest Airlines that have left travelers stranded at airports across the country amid an intense winter storm.  (AP Photo/Yuki Iwamura)
            
              Conrad Stoll, a 66-year-old retired construction worker who lives near Nevada, Mo., waits at the Kansas City International Airport in Kansas City, Mo., for his wife to pick him up after his Southwest flight to Los Angeles was canceled early Tuesday, Dec. 27, 2022. He had planned to make the trip so he could attend his father's 90th birthday party and see his 88-year-old mother. (AP Photo/Heather Hollingsworth)
            
              Airport staff and a person walks around a pile of lost suitcases near the baggage carousel at Midway Airport in Chicago, Tuesday, Dec. 27, 2022, after Southwest Airlines flights were cancelled and delayed during a winter storm.  Problems at Southwest Airlines appeared to snowball after the worst of the storm passed. It cancelled more than 70% of its flights Monday, more than 60% on Tuesday, and warned that it would operate just over a third of its usual schedule in the days ahead to allow crews to get back to where they needed to be. (Pat Nabong /Chicago Sun-Times via AP)
            
              Cancelled Southwest Airlines flights are seen on the flight schedules at LaGuardia Airport, Tuesday, Dec. 27, 2022, in New York. The U.S. Department of Transportation says it will look into flight cancellations by Southwest that have left travelers stranded at airports across the country amid an intense winter storm.   (AP Photo/Yuki Iwamura)
            
              Passengers wait in line to check in for their flights at Southwest Airlines service desk at LaGuardia Airport, Tuesday, Dec. 27, 2022, in New York. The U.S. Department of Transportation says it will look into flight cancellations by Southwest that have left travelers stranded at airports across the country amid an intense winter storm.  (AP Photo/Yuki Iwamura)
            
              Southwest Airlines' aircraft parked on the tarmac of LaGuardia Airport, Tuesday, Dec. 27, 2022, in New York. The U.S. Department of Transportation says it will look into flight cancellations by Southwest Airlines that have left travelers stranded at airports across the country amid an intense winter storm.  (AP Photo/Yuki Iwamura)
            
              Southwest Airlines' aircrafts parked on the tarmac of LaGuardia Airport, Tuesday, Dec. 27, 2022, in New York. The U.S. Department of Transportation says it will look into flight cancellations by Southwest Airlines that have left travelers stranded at airports across the country amid an intense winter storm.  (AP Photo/Yuki Iwamura)
            
              Itzel Enciso, 19, who is visiting Chicago from Los Angeles and said her bag was mistakenly tagged to arrive in Cleveland, looks for her lost luggage near the baggage carousel at Midway Airport in Chicago, Tuesday, Dec. 27, 2022, after Southwest Airlines flights were cancelled and delayed during a winter storm. Problems at Southwest Airlines appeared to snowball after the worst of the storm passed. It cancelled more than 70% of its flights Monday, more than 60% on Tuesday, and warned that it would operate just over a third of its usual schedule in the days ahead to allow crews to get back to where they needed to be. (Pat Nabong /Chicago Sun-Times via AP)
            
              Airport staff walks around a pile of lost suitcases near the baggage carousel at Midway Airport in Chicago, Tuesday, Dec. 27, 2022, after Southwest Airlines flights were cancelled and delayed during a winter storm. Problems at Southwest Airlines appeared to snowball after the worst of the storm passed. It cancelled more than 70% of its flights Monday, more than 60% on Tuesday, and warned that it would operate just over a third of its usual schedule in the days ahead to allow crews to get back to where they needed to be. (Pat Nabong /Chicago Sun-Times via AP)
            
              Airport staff looks around a pile of lost suitcases near the baggage carousel at Midway Airport in Chicago, Tuesday, Dec. 27, 2022, after Southwest Airlines flights were cancelled and delayed during a winter storm. Problems at Southwest Airlines appeared to snowball after the worst of the storm passed. It cancelled more than 70% of its flights Monday, more than 60% on Tuesday, and warned that it would operate just over a third of its usual schedule in the days ahead to allow crews to get back to where they needed to be. (Pat Nabong /Chicago Sun-Times via AP)
            
              Signs that read "DCA, ONT and MHT" are posted behind lost suitcases near the baggage carousel at Midway Airport in Chicago, Tuesday, Dec. 27, 2022, after Southwest Airlines flights were cancelled and delayed during a winter storm. Problems at Southwest Airlines appeared to snowball after the worst of the storm passed. It cancelled more than 70% of its flights Monday, more than 60% on Tuesday, and warned that it would operate just over a third of its usual schedule in the days ahead to allow crews to get back to where they needed to be. (Pat Nabong /Chicago Sun-Times via AP)
            
              A person looks for lost luggage near the baggage carousel at Midway Airport in Chicago, Tuesday, Dec. 27, 2022, after Southwest Airlines flights were cancelled and delayed during a winter storm. Problems at Southwest Airlines appeared to snowball after the worst of the storm passed. It cancelled more than 70% of its flights Monday, more than 60% on Tuesday, and warned that it would operate just over a third of its usual schedule in the days ahead to allow crews to get back to where they needed to be. (Pat Nabong /Chicago Sun-Times via AP)
            
              Hundreds of unclaimed suitcases and a box wrapped in Christmas wrapper sit near the baggage carousel at Midway Airport in Chicago, Tuesday, Dec. 27, 2022, after Southwest Airlines flights were cancelled and delayed during a winter storm. Problems at Southwest Airlines appeared to snowball after the worst of the storm passed. It cancelled more than 70% of its flights Monday, more than 60% on Tuesday, and warned that it would operate just over a third of its usual schedule in the days ahead to allow crews to get back to where they needed to be. (Pat Nabong /Chicago Sun-Times via AP)
            
              Airport staff looks at a tag on a pile of lost suitcases near the baggage carousel at Midway Airport, Tuesday, Dec. 27, 2022, after Southwest Airlines flights were cancelled and delayed during a winter storm.  Problems at Southwest Airlines appeared to snowball after the worst of the storm passed. It cancelled more than 70% of its flights Monday, more than 60% on Tuesday, and warned that it would operate just over a third of its usual schedule in the days ahead to allow crews to get back to where they needed to be. (Pat Nabong /Chicago Sun-Times via AP)
            
              A person looks for lost luggage near the baggage carousel at Chicago Midway International Airport, Tuesday, Dec. 27, 2022, after Southwest Airlines flights were cancelled and delayed during winter storm Elliott. Passengers from flights across the U.S. looked for and waited for their lost luggage Tuesday morning. (Pat Nabong/Chicago Sun-Times via AP)
            
              People looking for their lost luggage line up outside Southwest Airlines' office near the baggage carousel at Midway International Airport, Tuesday, Dec. 27, 2022, in Chicago, after Southwest Airlines flights were cancelled and delayed during winter storm Elliott. Passengers from flights across the U.S. looked for and waited for their lost luggage Tuesday morning. (Pat Nabong/Chicago Sun-Times via AP)
            
              Southwest Airlines' aircraft parked on the tarmac of LaGuardia Airport, Tuesday, Dec. 27, 2022, in New York. The U.S. Department of Transportation says it will look into flight cancellations by Southwest Airlines that have left travelers stranded at airports across the country amid an intense winter storm.  (AP Photo/Yuki Iwamura)
            
              Passengers wait in line to check in for their flights at Southwest Airlines service desk at LaGuardia Airport, Tuesday, Dec. 27, 2022, in New York. The U.S. Department of Transportation says it will look into flight cancellations by Southwest that have left travelers stranded at airports across the country amid an intense winter storm.  (AP Photo/Yuki Iwamura)
            
              Southwest Airlines' aircrafts parked on the tarmac of LaGuardia Airport, Tuesday, Dec. 27, 2022, in New York. The U.S. Department of Transportation says it will look into flight cancellations by Southwest Airlines that have left travelers stranded at airports across the country amid an intense winter storm.  (AP Photo/Yuki Iwamura)
            
              Passengers wait in line to check in for their flights at Southwest Airlines service desk at LaGuardia Airport, Tuesday, Dec. 27, 2022, in New York. The U.S. Department of Transportation says it will look into flight cancellations by Southwest that have left travelers stranded at airports across the country amid an intense winter storm.  (AP Photo/Yuki Iwamura)
            
              Airport staff and a person walks around a pile of lost suitcases near the baggage carousel at Midway Airport in Chicago, Tuesday, Dec. 27, 2022, after Southwest Airlines flights were cancelled and delayed during a winter storm.  Problems at Southwest Airlines appeared to snowball after the worst of the storm passed. It cancelled more than 70% of its flights Monday, more than 60% on Tuesday, and warned that it would operate just over a third of its usual schedule in the days ahead to allow crews to get back to where they needed to be. (Pat Nabong /Chicago Sun-Times via AP)
            
              Cancelled Southwest Airlines flights are seen on the flight schedules at LaGuardia Airport, Tuesday, Dec. 27, 2022, in New York. The U.S. Department of Transportation says it will look into flight cancellations by Southwest that have left travelers stranded at airports across the country amid an intense winter storm.   (AP Photo/Yuki Iwamura)
            
              Passengers wait in line to check in for their flights at Southwest Airlines service desk at LaGuardia Airport, Tuesday, Dec. 27, 2022, in New York. The U.S. Department of Transportation says it will look into flight cancellations by Southwest that have left travelers stranded at airports across the country amid an intense winter storm.  (AP Photo/Yuki Iwamura)
            
              Southwest Airlines' aircraft parked on the tarmac of LaGuardia Airport, Tuesday, Dec. 27, 2022, in New York. The U.S. Department of Transportation says it will look into flight cancellations by Southwest Airlines that have left travelers stranded at airports across the country amid an intense winter storm.  (AP Photo/Yuki Iwamura)
            
              Southwest Airlines' aircrafts parked on the tarmac of LaGuardia Airport, Tuesday, Dec. 27, 2022, in New York. The U.S. Department of Transportation says it will look into flight cancellations by Southwest Airlines that have left travelers stranded at airports across the country amid an intense winter storm.  (AP Photo/Yuki Iwamura)
            
              Itzel Enciso, 19, who is visiting Chicago from Los Angeles and said her bag was mistakenly tagged to arrive in Cleveland, looks for her lost luggage near the baggage carousel at Midway Airport in Chicago, Tuesday, Dec. 27, 2022, after Southwest Airlines flights were cancelled and delayed during a winter storm. Problems at Southwest Airlines appeared to snowball after the worst of the storm passed. It cancelled more than 70% of its flights Monday, more than 60% on Tuesday, and warned that it would operate just over a third of its usual schedule in the days ahead to allow crews to get back to where they needed to be. (Pat Nabong /Chicago Sun-Times via AP)
            
              Airport staff walks around a pile of lost suitcases near the baggage carousel at Midway Airport in Chicago, Tuesday, Dec. 27, 2022, after Southwest Airlines flights were cancelled and delayed during a winter storm. Problems at Southwest Airlines appeared to snowball after the worst of the storm passed. It cancelled more than 70% of its flights Monday, more than 60% on Tuesday, and warned that it would operate just over a third of its usual schedule in the days ahead to allow crews to get back to where they needed to be. (Pat Nabong /Chicago Sun-Times via AP)
            
              Airport staff looks around a pile of lost suitcases near the baggage carousel at Midway Airport in Chicago, Tuesday, Dec. 27, 2022, after Southwest Airlines flights were cancelled and delayed during a winter storm. Problems at Southwest Airlines appeared to snowball after the worst of the storm passed. It cancelled more than 70% of its flights Monday, more than 60% on Tuesday, and warned that it would operate just over a third of its usual schedule in the days ahead to allow crews to get back to where they needed to be. (Pat Nabong /Chicago Sun-Times via AP)
            
              Signs that read "DCA, ONT and MHT" are posted behind lost suitcases near the baggage carousel at Midway Airport in Chicago, Tuesday, Dec. 27, 2022, after Southwest Airlines flights were cancelled and delayed during a winter storm. Problems at Southwest Airlines appeared to snowball after the worst of the storm passed. It cancelled more than 70% of its flights Monday, more than 60% on Tuesday, and warned that it would operate just over a third of its usual schedule in the days ahead to allow crews to get back to where they needed to be. (Pat Nabong /Chicago Sun-Times via AP)
            
              A person looks for lost luggage near the baggage carousel at Midway Airport in Chicago, Tuesday, Dec. 27, 2022, after Southwest Airlines flights were cancelled and delayed during a winter storm. Problems at Southwest Airlines appeared to snowball after the worst of the storm passed. It cancelled more than 70% of its flights Monday, more than 60% on Tuesday, and warned that it would operate just over a third of its usual schedule in the days ahead to allow crews to get back to where they needed to be. (Pat Nabong /Chicago Sun-Times via AP)
            
              Hundreds of unclaimed suitcases and a box wrapped in Christmas wrapper sit near the baggage carousel at Midway Airport in Chicago, Tuesday, Dec. 27, 2022, after Southwest Airlines flights were cancelled and delayed during a winter storm. Problems at Southwest Airlines appeared to snowball after the worst of the storm passed. It cancelled more than 70% of its flights Monday, more than 60% on Tuesday, and warned that it would operate just over a third of its usual schedule in the days ahead to allow crews to get back to where they needed to be. (Pat Nabong /Chicago Sun-Times via AP)
            
              Airport staff looks at a tag on a pile of lost suitcases near the baggage carousel at Midway Airport, Tuesday, Dec. 27, 2022, after Southwest Airlines flights were cancelled and delayed during a winter storm.  Problems at Southwest Airlines appeared to snowball after the worst of the storm passed. It cancelled more than 70% of its flights Monday, more than 60% on Tuesday, and warned that it would operate just over a third of its usual schedule in the days ahead to allow crews to get back to where they needed to be. (Pat Nabong /Chicago Sun-Times via AP)
            
              A person looks for lost luggage near the baggage carousel at Chicago Midway International Airport, Tuesday, Dec. 27, 2022, after Southwest Airlines flights were cancelled and delayed during winter storm Elliott. Passengers from flights across the U.S. looked for and waited for their lost luggage Tuesday morning. (Pat Nabong/Chicago Sun-Times via AP)
            
              People looking for their lost luggage line up outside Southwest Airlines' office near the baggage carousel at Midway International Airport, Tuesday, Dec. 27, 2022, in Chicago, after Southwest Airlines flights were cancelled and delayed during winter storm Elliott. Passengers from flights across the U.S. looked for and waited for their lost luggage Tuesday morning. (Pat Nabong/Chicago Sun-Times via AP)
            
              Southwest Airlines' aircraft parked on the tarmac of LaGuardia Airport, Tuesday, Dec. 27, 2022, in New York. The U.S. Department of Transportation says it will look into flight cancellations by Southwest Airlines that have left travelers stranded at airports across the country amid an intense winter storm.  (AP Photo/Yuki Iwamura)
            
              Passengers wait in line to check in for their flights at Southwest Airlines service desk at LaGuardia Airport, Tuesday, Dec. 27, 2022, in New York. The U.S. Department of Transportation says it will look into flight cancellations by Southwest that have left travelers stranded at airports across the country amid an intense winter storm.  (AP Photo/Yuki Iwamura)
            
              Southwest Airlines' aircrafts parked on the tarmac of LaGuardia Airport, Tuesday, Dec. 27, 2022, in New York. The U.S. Department of Transportation says it will look into flight cancellations by Southwest Airlines that have left travelers stranded at airports across the country amid an intense winter storm.  (AP Photo/Yuki Iwamura)
            
              Passengers wait in line to check in for their flights at Southwest Airlines service desk at LaGuardia Airport, Tuesday, Dec. 27, 2022, in New York. The U.S. Department of Transportation says it will look into flight cancellations by Southwest that have left travelers stranded at airports across the country amid an intense winter storm.  (AP Photo/Yuki Iwamura)
            
              Airport staff and a person walks around a pile of lost suitcases near the baggage carousel at Midway Airport in Chicago, Tuesday, Dec. 27, 2022, after Southwest Airlines flights were cancelled and delayed during a winter storm.  Problems at Southwest Airlines appeared to snowball after the worst of the storm passed. It cancelled more than 70% of its flights Monday, more than 60% on Tuesday, and warned that it would operate just over a third of its usual schedule in the days ahead to allow crews to get back to where they needed to be. (Pat Nabong /Chicago Sun-Times via AP)
            
              A Southwest Airlines employee tries to help travelers find their lost baggage at Midway International Airport, Monday, Dec. 26, 2022, in Chicago. (Tyler Pasciak LaRiviere/Chicago Sun-Times via AP)
            
              A Southwest Airlines employee tries to help travelers find their lost baggage at Midway International Airport, Monday, Dec. 26, 2022, in Chicago. (Tyler Pasciak LaRiviere/Chicago Sun-Times via AP)
            
              A Southwest Airlines employee tries to help travelers find their lost baggage at Midway International Airport, Monday, Dec. 26, 2022, in Chicago. (Tyler Pasciak LaRiviere/Chicago Sun-Times via AP)
            
              A Southwest Airlines employee tries to help travelers find their lost baggage at Midway International Airport, Monday, Dec. 26, 2022, in Chicago. (Tyler Pasciak LaRiviere/Chicago Sun-Times via AP)
            
              A Southwest Airlines employee tries to help travelers find their lost baggage at Midway International Airport, Monday, Dec. 26, 2022, in Chicago. (Tyler Pasciak LaRiviere/Chicago Sun-Times via AP)
            
              A Southwest Airlines employee tries to help travelers find their lost baggage at Midway International Airport, Monday, Dec. 26, 2022, in Chicago. (Tyler Pasciak LaRiviere/Chicago Sun-Times via AP)
            
              A Southwest Airlines employee tries to help travelers find their lost baggage at Midway International Airport, Monday, Dec. 26, 2022, in Chicago. (Tyler Pasciak LaRiviere/Chicago Sun-Times via AP)
            
              A Southwest Airlines employee tries to help travelers find their lost baggage at Midway International Airport, Monday, Dec. 26, 2022, in Chicago. (Tyler Pasciak LaRiviere/Chicago Sun-Times via AP)
            
              A flight board shows canceled flights at the Southwest Airlines terminal at Los Angeles International Airport, Monday, Dec. 26, 2022, in Los Angeles. (AP Photo/Eugene Garcia)
            
              Baggage waits to be claimed after canceled flights at the Southwest Airlines terminal at Los Angeles International Airport on Monday, Dec. 26, 2022, in Los Angeles. (AP Photo/Eugene Garcia)
            
              Travelers wait at a Southwest Airlines baggage counter to retrieve their bags after canceled flights at Los Angeles International Airport, Monday, Dec. 26, 2022, in Los Angeles. (AP Photo/Eugene Garcia)
DOT to probe Southwest cancellations that stranded flyers