Southwest Airlines is the most reliable airline on the BWI to SDF route with a 79% on-time rate. Based on 3,142 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: BWI to SDF
Baltimore to Louisville — airline reliability comparison
On-Time Rate by Airline
Southwest Airlines79%
BWI to SDF Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Southwest AirlinesWNBest | 79% | 1.4% | 54m | 3,142 |
Route Overview
78%
Overall On-Time
54m
Avg Delay
1.4%
Cancel Rate
3,142
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.