Flight Check

Best Airline: BUF to PHL

Buffalo to Philadelphia — airline reliability comparison

Republic Airways is the most reliable airline on the BUF to PHL route with a 88% on-time rate, compared to PSA Airlines at 76%. Based on 312 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%
American Airlines86%
Frontier Airlines76%
PSA Airlines76%

BUF to PHL Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
Republic AirwaysYXBest88%3.6%114m312
American AirlinesAA86%2.1%47m168
Frontier AirlinesF976%15.0%42m20
PSA AirlinesOHWorst76%3.2%93m459

Route Overview

82%
Overall On-Time
91m
Avg Delay
2.8%
Cancel Rate
1,020
Total Flights
BUF to PHL Route DetailsReturn: PHL to BUF
BUF AirportPHL Airport

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