Southwest Airlines is the most reliable airline on the SDF to BWI route with a 86% on-time rate. Based on 3,152 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: SDF to BWI
Louisville to Baltimore — airline reliability comparison
On-Time Rate by Airline
Southwest Airlines86%
SDF to BWI Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Southwest AirlinesWNBest | 86% | 1.5% | 65m | 3,152 |
Route Overview
86%
Overall On-Time
64m
Avg Delay
1.5%
Cancel Rate
3,152
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.