Flight Check

Best Airline: PHL to TYS

Philadelphia to Knoxville — airline reliability comparison

Republic Airways is the most reliable airline on the PHL to TYS route with a 88% on-time rate, compared to Frontier Airlines at 73%. Based on 25 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 Airways88%
PSA Airlines74%
Frontier Airlines73%

PHL to TYS Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
Republic AirwaysYXBest88%0.0%35m25
PSA AirlinesOH74%3.0%81m1,422
Frontier AirlinesF9Worst73%0.0%51m26

Route Overview

74%
Overall On-Time
78m
Avg Delay
2.8%
Cancel Rate
1,513
Total Flights
PHL to TYS Route DetailsReturn: TYS to PHL
PHL AirportTYS Airport

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