Seattle-Tacoma International Airport
Average Wait
15 min
moderate
Best Time
10 PM
~5 min wait
Busiest Time
6 AM
~29 min wait
Average TSA security wait times at SEA for each hour on Thursdays. Based on historical patterns.
These hours typically have the shortest security lines at SEA on Thursdays.
These hours typically have the longest security lines at SEA on Thursdays. Plan extra time if flying during these windows.
Seattle-Tacoma International Airport has 1 terminal. Wait times can vary between terminals, especially during Thursday peak hours.
Thursday afternoons start to pick up as weekend leisure travelers begin departing.
Morning security is still relatively calm compared to Monday or Friday.
If flying Thursday, aim for a midday departure to avoid both the morning business rush and afternoon leisure buildup.
Check GateReady before heading to SEA for real-time wait times. Historical patterns are a guide, but actual conditions can vary due to holidays, weather, and special events.
Get real-time alerts for SEA on Thursdays
GateReady Fast Pass members get real-time alerts when wait times spike at SEA. Know exactly when to leave for the airport every Thursday.
Try Fast Pass Free for 7 DaysCompare Thursday wait times with other days of the week at Seattle-Tacoma International Airport.