Which airline is most reliable for ATL (Atlanta) to CMH (Columbus)?

The most reliable airline on the ATL to CMH route is Delta Air Lines, with an on-time arrival rate of 82%.

How often are flights delayed from ATL to CMH?

About 19% of flights from ATL to CMH experience delays. 81% arrive on time.

What's the average delay on ATL to CMH flights?

When flights from ATL to CMH are delayed, the average delay is approximately 56 minutes.

Is a short connection safe after a ATL to CMH flight?

With 81% of ATL to CMH flights arriving on time and an average delay of 56 minutes when late, a connection under 60 minutes at CMH is risky. We recommend at least 75-90 minutes for domestic connections after this route.

ATL → CMH

ATL (Atlanta) to CMH (Columbus)

ATL (Atlanta) to CMH (Columbus) flights arrive on time 81% of the time. The most reliable airline on this route is Delta Air Lines at 82%. The average delay is 56 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).

Source: Bureau of Transportation Statistics. Updated August 2026.

ATL → CMH on-time performance by month

JanFebMarAprMayJunJulAugSepOctNovDec

Worse

Better

This route is on time most of the time. About 81% of flights arrive on schedule.

Delays on this route are most often caused by the airline (crew, maintenance, or boarding).

Accurate?

Delta Air Lines is significantly more reliable on this route at 82% on time vs Frontier Airlines at 61%.

Airline Comparison

Delta Air Lines leads at 82% on time; Frontier Airlines trails at 61%.

Accurate?

Good to know

Departing from ATL

80% on time

Expect ~17 min sitting on the taxiway after your gate pushes back. ATL has long runway queues.

TSA is currently ~27 min. Best time: 4 AM (about 5 min).

More about ATL →

Arriving at CMH

80% on time

When flights into CMH are late, the average delay is 71 minutes. Build buffer if you have ground plans.

If connecting at CMH: TSA is ~12 min right now. Allow at least 60 minutes for a domestic connection.

More about CMH →Connection times at CMH →

Flight cancelled or delayed?

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ATL Airport CMH Airport

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Data last updated August 2026. Source: Bureau of Transportation Statistics.