Flight Check

Is a 1h 15m Layover Enough at STL?

St. Louis Lambert International — St. Louis

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Risky — 18% miss rate

It's risky — a 1 hour and 15 minutes layover at STL gives you about a 18% chance of missing your connection.

18%
Miss Rate
80%
On-Time Rate
64m
Avg Delay

Why 75 Minutes Is Risky at STL

A 75-minute connection at STL is risky. Based on delay patterns, roughly 18% of travelers on connections like this would miss their flight. We recommend at least 117 minutes.

·Airport reliability: STL has a 80% on-time rate
+Comfortable buffer: Your 75-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 75-minute layover gives you 35 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

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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