Southwest Airlines is the most reliable airline on the DCA to MDW route with a 81% on-time rate. Based on 7,548 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: DCA to MDW
Washington to Chicago — airline reliability comparison
On-Time Rate by Airline
Southwest Airlines81%
DCA to MDW Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Southwest AirlinesWNBest | 81% | 2.0% | 63m | 7,548 |
Route Overview
81%
Overall On-Time
63m
Avg Delay
2.1%
Cancel Rate
7,548
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.