SEA
PredictedSeattle-Tacoma International
Seattle, WA · 2 data sources active
Read our complete SEA security guide →Seattle-Tacoma International (SEA) currently has 12 checkpoints with measured or traveler-reported waits; the longest standard-lane wait right now is about 10.3 minutes. Page data is up to a minute or two old (built 0 min ago).
Security checkpoints
Main Terminal
Terminal Main
No wait data available
North Satellite
Terminal N
No wait data available
Checkpoint 1
Updated 18m ago
Checkpoint 3
Updated 18m ago
Checkpoint 4
Updated 18m ago
Checkpoint 5
Updated 4m ago
Checkpoint 6
Updated 4m ago
Security Checkpoint 1
Updated 18m ago
Security Checkpoint 3
Updated 18m ago
Security Checkpoint 4
Updated 18m ago
Security Checkpoint 5
Updated 18m ago
Security Checkpoint 6
Updated 18m ago
When is SEA busiest?
Historical average · measuredAt SEA, the longest average standard-lane waits we measured start around 10am local time (about 12 minutes).
The shortest were around 6pm (about 4 minutes, between 5am and 10pm).
Monday averaged the longest waits (7 min) and Friday the shortest (6 min).
Based on 90 days of measured data (2026-08-17 to 2026-11-14). Past averages are not a forecast.
Weekdays, standard lane, avg wait by hour (local)
Weekends, standard lane, avg wait by hour (local)
| Day | Avg wait |
|---|---|
| Sunday | 7 min |
| Monday | 7 min |
| Tuesday | 7 min |
| Wednesday | 6 min |
| Thursday | 6 min |
| Friday | 6 min |
| Saturday | 7 min |
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