Southwest Airlines is the most reliable airline on the CMH to DAL route with a 79% on-time rate. Based on 1,558 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: CMH to DAL
Columbus to Dallas — airline reliability comparison
On-Time Rate by Airline
Southwest Airlines79%
CMH to DAL Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Southwest AirlinesWNBest | 79% | 1.2% | 53m | 1,558 |
Route Overview
79%
Overall On-Time
53m
Avg Delay
1.2%
Cancel Rate
1,558
Total Flights
Flying out of CMH? We'll brief you.
Delays, TSA, weather, gates — we'll let you know if something matters.
Data last updated October 2026. Source: Bureau of Transportation Statistics.