Southwest Airlines is the most reliable airline on the DAL to CMH route with a 74% on-time rate. Based on 1,569 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: DAL to CMH
Dallas to Columbus — airline reliability comparison
On-Time Rate by Airline
Southwest Airlines74%
DAL to CMH Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Southwest AirlinesWNBest | 74% | 0.8% | 57m | 1,569 |
Route Overview
74%
Overall On-Time
58m
Avg Delay
0.8%
Cancel Rate
1,569
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.