Flight Check

Best Airline: PHL to BOS

Philadelphia to Boston — airline reliability comparison

Republic Airways is the most reliable airline on the PHL to BOS route with a 84% on-time rate, compared to American Airlines at 75%. Based on 4,998 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 Airways84%
JetBlue Airways78%
Frontier Airlines76%
American Airlines75%

PHL to BOS Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
Republic AirwaysYXBest84%2.3%74m4,998
JetBlue AirwaysB678%2.6%74m3,504
Frontier AirlinesF976%2.1%90m752
American AirlinesAAWorst75%2.1%79m8,451

Route Overview

78%
Overall On-Time
78m
Avg Delay
2.2%
Cancel Rate
17,742
Total Flights
PHL to BOS Route DetailsReturn: BOS to PHL
PHL AirportBOS Airport

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