Southwest Airlines is the most reliable airline on the MKE to DCA route with a 81% on-time rate, compared to PSA Airlines at 77%. Based on 2,430 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: MKE to DCA
Milwaukee to Washington — airline reliability comparison
On-Time Rate by Airline
Southwest Airlines81%
PSA Airlines77%
MKE to DCA Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Southwest AirlinesWNBest | 81% | 1.2% | 59m | 2,430 |
| PSA AirlinesOHWorst | 77% | 4.5% | 122m | 1,851 |
Route Overview
79%
Overall On-Time
86m
Avg Delay
2.6%
Cancel Rate
4,313
Total Flights
Flying out of MKE? We'll brief you.
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Data last updated October 2026. Source: Bureau of Transportation Statistics.