CMH (Columbus) to ATL (Atlanta) flights arrive on time 87% of the time. The most reliable airline on this route is Delta Air Lines at 88%. The average delay is 74 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Source: Bureau of Transportation Statistics. Updated March 2026.CMH → ATL
CMH (Columbus) to ATL (Atlanta)
CMH → ATL on-time performance by month
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This route is usually on time. About 87% 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 88% on time vs Frontier Airlines at 56%.
Airline Comparison
Delta Air Lines leads at 88% on time; Frontier Airlines trails at 56%.
Accurate?
Good to know
Departing from CMH
82% on timeExpect ~17 min sitting on the taxiway after your gate pushes back. CMH has long runway queues.
TSA is currently ~5 min. Best time: 4 AM (about 5 min).
Arriving at ATL
83% on timeWhen flights into ATL are late, the average delay is 68 minutes. Build buffer if you have ground plans.
If connecting at ATL: TSA is ~5 min right now. Allow at least 60 minutes for a domestic connection.
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Data last updated March 2026. Source: Bureau of Transportation Statistics.