Is a 30-Minute Layover Enough at STL?
St. Louis Lambert International — St. Louis
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High Risk — 51% miss rate
Probably not — a 30 minutes layover at STL means roughly a 51% chance of missing your flight.
51%
Miss Rate
80%
On-Time Rate
64m
Avg Delay
Why 30 Minutes Is High Risk at STL
A 30-minute connection at STL is very risky. There's roughly a 51% chance you'll miss your connecting flight. We strongly recommend at least 117 minutes, or consider booking a direct flight.
·Airport reliability: STL has a 80% on-time rate
−Below minimum connection time: STL requires at least 40 minutes for domestic connections. You have 30.
−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 30-minute layover is 10 minutes below the domestic minimum. Even without any delays, you may not have enough time to reach your gate.
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
Click any row to see the full analysis for that layover time.
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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