Flight Check

Is a 2-Hour Layover Enough at SEA?

Seattle-Tacoma International — Seattle

⚠️
Tight — 7% miss rate

Maybe — a 2 hours layover at SEA is tight but doable.

7%
Miss Rate
81%
On-Time Rate
58m
Avg Delay

Why 120 Minutes Is Tight at SEA

Your 120-minute connection at SEA is doable but doesn't leave much margin for error. If your first flight is more than 65 minutes late, it could get stressful.

·Airport reliability: SEA has a 81% on-time rate
+Comfortable buffer: Your 120-minute layover is well above the 55-minute minimum
−High average delay: When flights are late at SEA, the average delay is 58 minutes
−Long taxi times: Planes at SEA typically sit on the runway for 20 minutes before takeoff

Minimum Connection Time at SEA

55m
Domestic
120m
International

Your 120-minute layover gives you 65 minutes of buffer above the 55-minute domestic minimum. That's a comfortable buffer for most situations.

Terminal Transfers at SEA

How to transfer: Underground train connects main terminal to North Satellite; walking to South Satellite
Transfer time: 5-12 minutes between most areas
✓TSA re-screening: Not required between terminals — All concourses and satellites are connected post-security. No re-screening needed for any domestic or international connection.

Compare Other Layover Times at SEA

Click any row to see the full analysis for that layover time.

What to Do Instead

  • →Look for itineraries with 115+ minute layovers at SEA
  • →Consider a direct flight if available
  • →Book both legs on the same ticket (airline must rebook you if you miss the connection)
  • →Choose an early morning first leg — morning flights are delayed less often

Check a Different Layover Time

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