What are TSA wait times at CMH?

Current TSA security wait at CMH is About 10-16 minutes right now. The fastest time to go through security is 10 PM (about 3 min). The busiest time is 6 PM (19-25 minutes). Weekends tend to be lighter.

How busy is John Glenn Columbus International right now?

Current TSA security wait at CMH is About 10-16 minutes right now. Check the live conditions, weather, and FAA delay status above for a full picture of how busy CMH is right now.

What is the average delay time at John Glenn Columbus International?

When flights at CMH (John Glenn Columbus International) are delayed, the average delay is about 46 minutes. Overall, 79% of flights arrive on time. About 2.1% of flights are cancelled.

What causes the most delays at John Glenn Columbus International?

The most common reason for delays here is weather. At CMH, 79% of flights are on time, and when delays occur they average 46 minutes.

Is it safe to book a tight connection at John Glenn Columbus International?

CMH sees a moderate number of delays, so we recommend at least 90 minutes for domestic connections and 2 hours for international.

What's the best time to fly from John Glenn Columbus International?

Early morning flights (before 8 AM) tend to have the best on-time performance at most airports, including CMH. For shorter security lines, aim for 10 PM (about 3 min). Midweek flights (Tuesday and Wednesday) also tend to see fewer delays than weekend or Monday departures.

CMH

John Glenn Columbus International — Columbus

John Glenn Columbus International (CMH) has an on-time arrival rate of about 79%. When flights are delayed, the average wait is around 46 minutes. The most common reason for delays here is weather. Roughly 2.1% of flights are cancelled. The typical taxi-out time from gate to takeoff is about 11 minutes. TSA security wait is currently About 10-16 minutes right now. The fastest time through security is 10 PM (about 3 min). The busiest period is 6 PM (19-25 minutes).

Source: Bureau of Transportation Statistics, FAA NASSTATUS. Updated March 2026.

Last updated: March 2026

Checking conditions so you don't have to...

Flights here are on time most of the time. About 79% arrive within 15 minutes of schedule.

The most common reason for delays here is weather.

Planes usually taxi out in a reasonable time. The typical wait from gate to takeoff is about 11 minutes.

This airport occasional fog (~3 days/month), rainy (~11 precip days/month).

Among major airlines, F9 has the most complaints (23.2/100k) while WN has the fewest (1.5/100k).

How Busy Is CMH Right Now?

Checking live status...

CMH on-time performance by month

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TSA Wait Times at CMH

TSA Security Wait — Our Model

About 10-16 minutes right now

Fastest

10 PM (about 3 min)

Busiest

6 PM (19-25 minutes)

Weekends tend to be lighter.

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TSA FAQ — CMH

Source: TSA official guidelines and r/tsa community