Flight Check

Best Airline: AUS to PHL

Austin to Philadelphia — airline reliability comparison

Republic Airways is the most reliable airline on the AUS to PHL route with a 94% on-time rate, compared to Frontier Airlines at 75%. Based on 67 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 Airways94%
PSA Airlines86%
American Airlines77%
Frontier Airlines75%

AUS to PHL Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
Republic AirwaysYXBest94%0.0%29m67
PSA AirlinesOH86%0.0%24m22
American AirlinesAA77%1.7%162m3,406
Frontier AirlinesF9Worst75%0.0%61m46

Route Overview

76%
Overall On-Time
157m
Avg Delay
1.7%
Cancel Rate
3,586
Total Flights
AUS to PHL Route DetailsReturn: PHL to AUS
AUS AirportPHL Airport

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