Southwest Airlines is the most reliable airline on the SDF to PHX route with a 82% on-time rate. Based on 1,090 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: SDF to PHX
Louisville to Phoenix — airline reliability comparison
On-Time Rate by Airline
Southwest Airlines82%
SDF to PHX Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Southwest AirlinesWNBest | 82% | 0.4% | 62m | 1,090 |
Route Overview
82%
Overall On-Time
59m
Avg Delay
0.5%
Cancel Rate
1,100
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.