Is a 90-Minute Layover Enough at ATL?
Hartsfield-Jackson Atlanta International — Atlanta
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Risky — 16% miss rate
It's risky — a 90 minutes layover at ATL gives you about a 16% chance of missing your connection.
16%
Miss Rate
81%
On-Time Rate
71m
Avg Delay
Why 90 Minutes Is Risky at ATL
A 90-minute connection at ATL is risky. Based on delay patterns, roughly 16% of travelers on connections like this would miss their flight. We recommend at least 134 minutes.
·Airport reliability: ATL has a 81% on-time rate
+Comfortable buffer: Your 90-minute layover is well above the 55-minute minimum
−High average delay: When flights are late at ATL, the average delay is 71 minutes
Minimum Connection Time at ATL
55m
Domestic
120m
International
Your 90-minute layover gives you 35 minutes of buffer above the 55-minute domestic minimum. That's a comfortable buffer for most situations.
Terminal Transfers at ATL
How to transfer: The Plane Train automated people mover connects all concourses
Transfer time: 5-10 minutes end to end via the Plane Train
✓TSA re-screening: Not required between terminals — All concourses are connected post-security via the Plane Train. International arrivals in Concourse F clear customs and can connect without re-screening for domestic flights.
Compare Other Layover Times at ATL
Click any row to see the full analysis for that layover time.
What to Do Instead
- →Look for itineraries with 134+ minute layovers at ATL
- →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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