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Sea-Tac Airport is the fastest growing large airport in the U.S. Sea-Tac has added staff and made several other changes to speed up TSA lines. Here are some tips to make your trip a smooth one beginning the moment you step out of your front door to your arrival at your gate.
- Arrive Early! Arrive a minimum of two hours before domestic and three hours for international flights.
- TSA security checkpoint lines may be longer during peak hours.
- Peak times through TSA checkpoints typically are between 5 - 11 a.m., while increased flights during the evening create another busy period between 7 - 9 p.m.
- Thursdays and Fridays are the busiest days of the week while Tuesday and Wednesday are the least traveled.