Is a 90-Minute Layover Enough at STL?
St. Louis Lambert International — St. Louis
⚠️
Tight — 14% miss rate
Maybe — a 90 minutes layover at STL is tight but doable.
14%
Miss Rate
80%
On-Time Rate
64m
Avg Delay
Why 90 Minutes Is Tight at STL
Your 90-minute connection at STL is doable but doesn't leave much margin for error. If your first flight is more than 50 minutes late, it could get stressful.
·Airport reliability: STL has a 80% on-time rate
+Comfortable buffer: Your 90-minute layover is well above the 40-minute minimum
−High average delay: When flights are late at STL, the average delay is 64 minutes
Minimum Connection Time at STL
40m
Domestic
90m
International
Your 90-minute layover gives you 50 minutes of buffer above the 40-minute domestic minimum. That's a comfortable buffer for most situations.
Terminal Transfers at STL
How to transfer: Walking within Terminal 1; MetroLink train between Terminal 1 and Terminal 2
Transfer time: 5-8 minutes within Terminal 1; 15-20 minutes between terminals
!TSA re-screening: Required for some terminal changes — Terminal 1 and Terminal 2 are separate buildings. Changing between them requires the MetroLink and re-screening.
Compare Other Layover Times at STL
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What to Do Instead
- →Look for itineraries with 117+ minute layovers at STL
- →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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