SEA Security Wait Times

TSA checkpoint lines at Seattle-Tacoma Intl., by day and hour.

Right now

Live · updated 3:22 PM local time

TSA wait this hour
Up to 18 min Friday, 3:22 PM local time
Next few hours
  • 4 PMUp to 20 min
  • 5 PMUp to 14 min
  • 6 PMUp to 12 min
Live wait times
CheckpointStandardTSA PreCheck
Checkpoint 1StandardTSA PreCheckCLEAR10 min–
Checkpoint 2StandardClosed
Checkpoint 3StandardPriority5 min–
Checkpoint 4StandardPriority10 min–
Checkpoint 5TSA PreCheck–3 min
Checkpoint 6StandardTSA PreCheckCLEARPriority20 min–

Best time to go through security at SEA

Between 5 AM and 10 PM, the security wait at SEA can reach 29 minutes at its busiest, on Sundays around 9 PM, and stays within 8 minutes at the quietest hour.

Wait by day and hour

6a9a12p3p6p9p
SunSunday, 4 AM: up to 7 minSunday, 5 AM: up to 12 minSunday, 6 AM: up to 12 minSunday, 7 AM: up to 15 minSunday, 8 AM: up to 16 minSunday, 9 AM: up to 18 minSunday, 10 AM: up to 14 minSunday, 11 AM: up to 13 minSunday, 12 PM: up to 12 minSunday, 1 PM: up to 13 minSunday, 2 PM: up to 14 minSunday, 3 PM: up to 14 minSunday, 4 PM: up to 20 minSunday, 5 PM: up to 14 minSunday, 6 PM: up to 14 minSunday, 7 PM: up to 15 minSunday, 8 PM: up to 25 minSunday, 9 PM: up to 29 minSunday, 10 PM: up to 20 minSunday, 11 PM: up to 10 min
MonMonday, 4 AM: up to 5 minMonday, 5 AM: up to 10 minMonday, 6 AM: up to 12 minMonday, 7 AM: up to 16 minMonday, 8 AM: up to 20 minMonday, 9 AM: up to 25 minMonday, 10 AM: up to 15 minMonday, 11 AM: up to 18 minMonday, 12 PM: up to 15 minMonday, 1 PM: up to 22 minMonday, 2 PM: up to 19 minMonday, 3 PM: up to 21 minMonday, 4 PM: up to 20 minMonday, 5 PM: up to 13 minMonday, 6 PM: up to 12 minMonday, 7 PM: up to 9 minMonday, 8 PM: up to 11 minMonday, 9 PM: up to 22 minMonday, 10 PM: up to 25 minMonday, 11 PM: up to 10 min
TueTuesday, 4 AM: up to 5 minTuesday, 5 AM: up to 10 minTuesday, 6 AM: up to 14 minTuesday, 7 AM: up to 15 minTuesday, 8 AM: up to 15 minTuesday, 9 AM: up to 20 minTuesday, 10 AM: up to 15 minTuesday, 11 AM: up to 15 minTuesday, 12 PM: up to 15 minTuesday, 1 PM: up to 15 minTuesday, 2 PM: up to 14 minTuesday, 3 PM: up to 14 minTuesday, 4 PM: up to 13 minTuesday, 5 PM: up to 13 minTuesday, 6 PM: up to 13 minTuesday, 7 PM: up to 10 minTuesday, 8 PM: up to 10 minTuesday, 9 PM: up to 27 minTuesday, 10 PM: up to 28 minTuesday, 11 PM: up to 11 min
WedWednesday, 4 AM: up to 5 minWednesday, 5 AM: up to 8 minWednesday, 6 AM: up to 10 minWednesday, 7 AM: up to 14 minWednesday, 8 AM: up to 14 minWednesday, 9 AM: up to 17 minWednesday, 10 AM: up to 17 minWednesday, 11 AM: up to 15 minWednesday, 12 PM: up to 15 minWednesday, 1 PM: up to 13 minWednesday, 2 PM: up to 12 minWednesday, 3 PM: up to 10 minWednesday, 4 PM: up to 20 minWednesday, 5 PM: up to 10 minWednesday, 6 PM: up to 8 minWednesday, 7 PM: up to 10 minWednesday, 8 PM: up to 13 minWednesday, 9 PM: up to 16 minWednesday, 10 PM: up to 11 minWednesday, 11 PM: up to 5 min
ThuThursday, 4 AM: up to 10 minThursday, 5 AM: up to 15 minThursday, 6 AM: up to 16 minThursday, 7 AM: up to 18 minThursday, 8 AM: up to 16 minThursday, 9 AM: up to 16 minThursday, 10 AM: up to 15 minThursday, 11 AM: up to 15 minThursday, 12 PM: up to 16 minThursday, 1 PM: up to 14 minThursday, 2 PM: up to 15 minThursday, 3 PM: up to 18 minThursday, 4 PM: up to 17 minThursday, 5 PM: up to 20 minThursday, 6 PM: up to 16 minThursday, 7 PM: up to 18 minThursday, 8 PM: up to 13 minThursday, 9 PM: up to 19 minThursday, 10 PM: up to 11 minThursday, 11 PM: up to 4 min
FriFriday, 4 AM: up to 7 minFriday, 5 AM: up to 11 minFriday, 6 AM: up to 15 minFriday, 7 AM: up to 13 minFriday, 8 AM: up to 15 minFriday, 9 AM: up to 15 minFriday, 10 AM: up to 15 minFriday, 11 AM: up to 14 minFriday, 12 PM: up to 12 minFriday, 1 PM: up to 12 minFriday, 2 PM: up to 13 minFriday, 3 PM: up to 18 minFriday, 4 PM: up to 20 minFriday, 5 PM: up to 14 minFriday, 6 PM: up to 12 minFriday, 7 PM: up to 11 minFriday, 8 PM: up to 15 minFriday, 9 PM: up to 14 minFriday, 10 PM: up to 19 minFriday, 11 PM: up to 5 min
SatSaturday, 4 AM: up to 5 minSaturday, 5 AM: up to 8 minSaturday, 6 AM: up to 9 minSaturday, 7 AM: up to 13 minSaturday, 8 AM: up to 14 minSaturday, 9 AM: up to 15 minSaturday, 10 AM: up to 14 minSaturday, 11 AM: up to 15 minSaturday, 12 PM: up to 15 minSaturday, 1 PM: up to 14 minSaturday, 2 PM: up to 14 minSaturday, 3 PM: up to 13 minSaturday, 4 PM: up to 13 minSaturday, 5 PM: up to 10 minSaturday, 6 PM: up to 8 minSaturday, 7 PM: up to 9 minSaturday, 8 PM: up to 20 minSaturday, 9 PM: up to 20 minSaturday, 10 PM: up to 19 minSaturday, 11 PM: up to 5 min

Under 10 min 10–20 20–30 30+

From official TSA wait times: the longest standard-lane wait in each hour, in local time.

The quietest and busiest hours, by day

DayQuietest hourBusiest hour
Sunday5 AM · Up to 12 min9 PM · Up to 29 min
Monday7 PM · Up to 9 min9 AM · Up to 25 min
Tuesday5 AM · Up to 10 min9 PM · Up to 27 min
Wednesday5 AM · Up to 8 min4 PM · Up to 20 min
Thursday8 PM · Up to 13 min5 PM · Up to 20 min
Friday Today5 AM · Up to 11 min4 PM · Up to 20 min
Saturday5 AM · Up to 8 min8 PM · Up to 20 min

Between 5 AM and 10 PM, local time, from official TSA wait times.

SEA security questions, answered.

What's the best time to go through security at SEA?

Security lines at SEA are usually shortest around 5 AM and longest around 9 PM. Wednesday tends to be the quietest day, and Monday the busiest.

When is the TSA line longest at SEA?

Waits peak on Sundays around 9 PM, when they can reach 29 minutes. Across the week, that hour is usually the busiest.

How early should I get to SEA?

Airlines commonly recommend arriving about 2 hours before a domestic flight and 3 hours before an international one. At SEA, the security wait can reach 29 minutes at the busiest times between 5 AM and 10 PM, so leave extra time around 9 PM, especially on Mondays.

How long is the TSA line at SEA right now?

TSA’s figures put the wait at up to 18 minutes at this hour on Fridays (as of 3:22 PM local time). Live waits reported right now: Checkpoint 1, Standard 10 min; Checkpoint 2 is closed; Checkpoint 3, Standard 5 min; Checkpoint 4, Standard 10 min; Checkpoint 5, TSA PreCheck 3 min; Checkpoint 6, Standard 20 min.

Can I see TSA PreCheck and CLEAR wait times for SEA?

Yes, in the Flying app. It shows typical security waits for the day and hour you fly, including TSA PreCheck and CLEAR lines, and live waits at select major airports, so you can plan around the actual line.

Where do these wait times come from?

Waits by day and hour come from official TSA wait times: the longest standard-lane wait TSA reports for each hour, in SEA local time. Live waits come from the airport or from traveler reports, where available.

SEA airport statusDelays, FAA advisories, weather, and live traffic Security wait times at other US airportsTSA waits right now at US airports

Know when to leave for the airport.

Flying shows the security wait for the day and hour you fly, including TSA PreCheck and CLEAR lines, and tells you the moment your flight is delayed or your gate changes.

Download on the App Store