Southwest Airlines is the most reliable airline on the MDW to SDF route with a 81% on-time rate. Based on 3,661 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: MDW to SDF
Chicago to Louisville — airline reliability comparison
On-Time Rate by Airline
Southwest Airlines81%
MDW to SDF Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Southwest AirlinesWNBest | 81% | 1.2% | 55m | 3,661 |
Route Overview
81%
Overall On-Time
55m
Avg Delay
1.1%
Cancel Rate
3,661
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.