Flight Check

Best Airline: PHL to BUF

Philadelphia to Buffalo — airline reliability comparison

Frontier Airlines is the most reliable airline on the PHL to BUF route with a 84% on-time rate, compared to PSA Airlines at 75%. Based on 20 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

Frontier Airlines84%
Republic Airways82%
American Airlines78%
PSA Airlines75%

PHL to BUF Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
Frontier AirlinesF9Best84%10.0%22m20
Republic AirwaysYX82%5.0%67m316
American AirlinesAA78%2.1%45m168
PSA AirlinesOHWorst75%5.4%74m451

Route Overview

77%
Overall On-Time
67m
Avg Delay
4.3%
Cancel Rate
1,014
Total Flights
PHL to BUF Route DetailsReturn: BUF to PHL
PHL AirportBUF Airport

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