Southwest Airlines is the most reliable airline on the MDW to DAL route with a 79% on-time rate. Based on 8,063 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: MDW to DAL
Chicago to Dallas — airline reliability comparison
On-Time Rate by Airline
Southwest Airlines79%
MDW to DAL Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Southwest AirlinesWNBest | 79% | 1.9% | 55m | 8,063 |
Route Overview
78%
Overall On-Time
56m
Avg Delay
1.8%
Cancel Rate
8,063
Total Flights
Flying out of MDW? We'll brief you.
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Data last updated October 2026. Source: Bureau of Transportation Statistics.