Flight Check

Best Airline: PHL to SDF

Philadelphia to Louisville — airline reliability comparison

Republic Airways is the most reliable airline on the PHL to SDF route with a 81% on-time rate, compared to PSA Airlines at 79%. Based on 1,060 flights tracked.

This route involves weather-prone airports, which can affect reliability regardless of airline.

Source: Bureau of Transportation Statistics. Updated October 2026.

On-Time Rate by Airline

Republic Airways81%
PSA Airlines79%

PHL to SDF Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
Republic AirwaysYXBest81%3.5%69m1,060
PSA AirlinesOHWorst79%1.8%79m583

Route Overview

82%
Overall On-Time
78m
Avg Delay
2.6%
Cancel Rate
1,702
Total Flights
PHL to SDF Route DetailsReturn: SDF to PHL
PHL AirportSDF Airport

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Data last updated October 2026. Source: Bureau of Transportation Statistics.