Southwest Airlines is the most reliable airline on the BWI to MKE route with a 75% on-time rate. Based on 3,008 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: BWI to MKE
Baltimore to Milwaukee — airline reliability comparison
On-Time Rate by Airline
Southwest Airlines75%
BWI to MKE Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Southwest AirlinesWNBest | 75% | 1.4% | 56m | 3,008 |
Route Overview
75%
Overall On-Time
56m
Avg Delay
1.2%
Cancel Rate
3,035
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.