Flight Check

Best Airline: MKE to PHL

Milwaukee to Philadelphia — airline reliability comparison

Frontier Airlines is the most reliable airline on the MKE to PHL route with a 84% on-time rate, compared to American Airlines at 69%. Based on 26 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%
PSA Airlines79%
Republic Airways79%
American Airlines69%

MKE to PHL Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
Frontier AirlinesF9Best84%3.8%35m26
PSA AirlinesOH79%3.4%100m937
Republic AirwaysYX79%4.1%61m328
American AirlinesAAWorst69%2.7%160m140

Route Overview

80%
Overall On-Time
100m
Avg Delay
3.7%
Cancel Rate
1,490
Total Flights
MKE to PHL Route DetailsReturn: PHL to MKE
MKE AirportPHL Airport

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