Is a 30-Minute Layover Enough at CMH?
John Glenn Columbus International — Columbus
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High Risk — 50% miss rate
Probably not — a 30 minutes layover at CMH means roughly a 50% chance of missing your flight.
50%
Miss Rate
81%
On-Time Rate
69m
Avg Delay
Why 30 Minutes Is High Risk at CMH
A 30-minute connection at CMH is very risky. There's roughly a 50% chance you'll miss your connecting flight. We strongly recommend at least 133 minutes, or consider booking a direct flight.
·Airport reliability: CMH has a 81% on-time rate
−Below minimum connection time: CMH requires at least 60 minutes for domestic connections. You have 30.
−High average delay: When flights are late at CMH, the average delay is 69 minutes
Minimum Connection Time at CMH
60m
Domestic
120m
International
Your 30-minute layover is 30 minutes below the domestic minimum. Even without any delays, you may not have enough time to reach your gate.
Compare Other Layover Times at CMH
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What to Do Instead
- →Look for itineraries with 133+ minute layovers at CMH
- →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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