SEA Main Terminal TSA Wait Times
Live security line waits for Main Terminal at Sea-Tac (Seattle–Tacoma International Airport).
Current SEA standard-lane wait
3min
updated 2 min agoTSA PreCheck open
Checkpoints at Main Terminal
| Checkpoint | Wait |
|---|---|
| Terminal MAIN | — |
Security lines at Main Terminal
The security lines at Main Terminal mainly serve passengers flying Alaska Airlines, Delta, American, Southwest and United. If your flight is on one of these airlines, the wait above is the line you will stand in at Sea-Tac.
One terminal with five numbered checkpoints that all reach every gate, including the N and S satellites via the underground train.