Seattle-Tacoma International Airport
Average Wait
17 min
busy
Best Time
10 PM
~5 min wait
Busiest Time
6 AM
~35 min wait
Average TSA security wait times at SEA for each hour on Mondays. Based on historical patterns.
These hours typically have the shortest security lines at SEA on Mondays.
These hours typically have the longest security lines at SEA on Mondays. Plan extra time if flying during these windows.
Seattle-Tacoma International Airport has 1 terminal. Wait times can vary between terminals, especially during Monday peak hours.
Monday mornings are the busiest of the week due to business travelers catching early flights.
If possible, avoid the 5-9 AM rush. Mid-afternoon (1-3 PM) is typically the quietest window.
TSA PreCheck and CLEAR lanes make the biggest difference on Monday mornings when general lanes are packed.
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 Mondays
GateReady Fast Pass members get real-time alerts when wait times spike at SEA. Know exactly when to leave for the airport every Monday.
Try Fast Pass Free for 7 DaysCompare Monday wait times with other days of the week at Seattle-Tacoma International Airport.