Southwest Airlines is the most reliable airline on the DCA to MKE route with a 84% on-time rate, compared to PSA Airlines at 73%. Based on 2,432 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: DCA to MKE
Washington to Milwaukee — airline reliability comparison
On-Time Rate by Airline
Southwest Airlines84%
PSA Airlines73%
DCA to MKE Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Southwest AirlinesWNBest | 84% | 1.5% | 59m | 2,432 |
| PSA AirlinesOHWorst | 73% | 5.6% | 79m | 1,853 |
Route Overview
79%
Overall On-Time
69m
Avg Delay
3.3%
Cancel Rate
4,316
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.