Flight Check

Best Airline: SDF to PHL

Louisville to Philadelphia — airline reliability comparison

Republic Airways is the most reliable airline on the SDF to PHL route with a 90% on-time rate, compared to PSA Airlines at 78%. Based on 1,057 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 Airways90%
PSA Airlines78%

SDF to PHL Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
Republic AirwaysYXBest90%1.0%55m1,057
PSA AirlinesOHWorst78%2.4%98m584

Route Overview

86%
Overall On-Time
97m
Avg Delay
1.6%
Cancel Rate
1,700
Total Flights
SDF to PHL Route DetailsReturn: PHL to SDF
SDF AirportPHL Airport

Flying out of SDF? We'll brief you.

Delays, TSA, weather, gates — we'll let you know if something matters.

Free. No account needed.

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