Southwest Airlines is the most reliable airline on the PHX to SDF route with a 76% on-time rate. Based on 1,089 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: PHX to SDF
Phoenix to Louisville — airline reliability comparison
On-Time Rate by Airline
Southwest Airlines76%
PHX to SDF Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Southwest AirlinesWNBest | 76% | 0.3% | 50m | 1,089 |
Route Overview
76%
Overall On-Time
50m
Avg Delay
0.3%
Cancel Rate
1,099
Total Flights
Flying out of PHX? We'll brief you.
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Data last updated October 2026. Source: Bureau of Transportation Statistics.