CMH (Columbus) to MIA (Miami) flights arrive on time 82% of the time. The most reliable airline on this route is American Airlines at 87%. The average delay is 66 minutes. Delays on this route are most often caused by the incoming plane arriving late.
Source: Bureau of Transportation Statistics. Updated March 2026.CMH → MIA
CMH (Columbus) to MIA (Miami)
CMH → MIA on-time performance by month
This route is on time most of the time. About 82% of flights arrive on schedule.
Delays on this route are most often caused by the incoming plane arriving late.
American Airlines edges out Southwest Airlines on this route — 87% vs 81% on time.
Airline Comparison
American Airlines leads at 87% on time; Southwest Airlines trails at 81%.
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 MIA
76% on timeWhen flights into MIA are late, the average delay is 75 minutes. Build buffer if you have ground plans.
If connecting at MIA: TSA is ~5 min right now. Allow at least 60 minutes for a domestic connection.
Know before you go
Flying CMH → MIA? We'll brief you before takeoff.
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Data last updated March 2026. Source: Bureau of Transportation Statistics.