Flight Check

Best Airline: PHL to PWM

Philadelphia to Portland — airline reliability comparison

Republic Airways is the most reliable airline on the PHL to PWM route with a 91% on-time rate, compared to Frontier Airlines at 52%. Based on 168 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 Airways91%
PSA Airlines86%
American Airlines77%
Frontier Airlines52%

PHL to PWM Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
Republic AirwaysYXBest91%0.6%36m168
PSA AirlinesOH86%3.8%66m663
American AirlinesAA77%2.0%76m1,832
Frontier AirlinesF9Worst52%12.3%64m33

Route Overview

78%
Overall On-Time
75m
Avg Delay
2.6%
Cancel Rate
2,805
Total Flights
PHL to PWM Route DetailsReturn: PWM to PHL
PHL AirportPWM Airport

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