Sea-Tac Airport sees record-setting travel over holiday weekend
Jul 9, 2025, 6:54 AM
Long lines at SEA. (Photo courtesy of KIRO 7)
(Photo courtesy of KIRO 7)
This year is proving to be a busy one for Seattle-Tacoma International Airport.
Monday was the fifth busiest day ever. The Port of Seattle reported that the TSA screened more than 75,000 people at security checkpoints.
Sunday ranked seventh in the airport’s history.
June 22 of this year is still the top record, with 75,429 screened prior to departure.
Here’s a look at the top ten:
- June 22, 2025: 75,429
- August 18, 2024: 75,410
- August 11, 2024: 75,407
- June 23, 2025: 75,298
- July 7, 2025: 75,007
- June 19, 2025: 74,478
- July 6, 2025: 74,468
- June 27, 2025: 73,914
- June 15, 2025: 73,711
- July 24, 2023: 73,651
Seven of the top 10 busiest days have now come this year.
Despite the volume of passengers over the Fourth of July holiday, the Port of Seattle stated that 90% made it through TSA checkpoints in 20 minutes or less, and 92% made it in less than 30 minutes.
SEA Airport opened its new Checkpoint 1 last month with six lanes.
Last year, they opened two more lanes to each of Checkpoints 3 and 4 ahead of summertime.
