Is a 45-Minute Layover Enough at ATL?
Hartsfield-Jackson Atlanta International — Atlanta
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High Risk — 50% miss rate
Probably not — a 45 minutes layover at ATL means roughly a 50% chance of missing your flight.
50%
Miss Rate
81%
On-Time Rate
71m
Avg Delay
Why 45 Minutes Is High Risk at ATL
A 45-minute connection at ATL is very risky. There's roughly a 50% chance you'll miss your connecting flight. We strongly recommend at least 134 minutes, or consider booking a direct flight.
·Airport reliability: ATL has a 81% on-time rate
−Below minimum connection time: ATL requires at least 55 minutes for domestic connections. You have 45.
−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 45-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 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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