American Airlines is the most reliable airline on the CMH to MIA route with a 89% on-time rate, compared to Southwest Airlines at 80%. Based on 135 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: CMH to MIA
Columbus to Miami — airline reliability comparison
On-Time Rate by Airline
American Airlines89%
83%
Southwest Airlines80%
CMH to MIA Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| American AirlinesAABest | 89% | 1.2% | 39m | 135 |
| MQ | 83% | 0.5% | 61m | 2,861 |
| Southwest AirlinesWNWorst | 80% | 0.9% | 53m | 255 |
Route Overview
83%
Overall On-Time
63m
Avg Delay
0.5%
Cancel Rate
3,327
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.