CMH Columbus
John Glenn Columbus International
Best time through security: 4 AM (about 5 min)
Most reliable airline here: Endeavor Air (88% on time)
Why delays happen: The most common reason for departure delays here is the incoming plane arriving late.
Get a pre-flight briefing for CMH
Delay risk, TSA wait, and weather — emailed before your flight. Free.
Common questions about CMH
Are there delays at CMH right now?
No active delays at CMH right now. Historically, CMH runs on time 81% of the time.
How long is TSA at CMH?
Estimated wait right now: about 15-21 minutes. Fastest time: 4 AM (about 5 min). Busiest: 6 AM (22-28 minutes).
What usually causes delays at CMH?
The most common reason for departure delays here is the incoming plane arriving late. About 1.6% of flights get cancelled.
How long of a connection do I need?
CMH is fairly reliable — 60 minutes is usually fine for domestic, 90 minutes for international.