Flight Check

Best Airline: MIA to PHL

Miami to Philadelphia — airline reliability comparison

American Airlines is the most reliable airline on the MIA to PHL route with a 76% on-time rate, compared to Spirit Airlines at 70%. Based on 8,927 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

American Airlines76%
Frontier Airlines74%
Spirit Airlines70%

MIA to PHL Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
American AirlinesAABest76%1.7%80m8,927
Frontier AirlinesF974%2.4%92m1,419
Spirit AirlinesNKWorst70%2.7%76m1,047

Route Overview

75%
Overall On-Time
82m
Avg Delay
1.9%
Cancel Rate
11,394
Total Flights
MIA to PHL Route DetailsReturn: PHL to MIA
MIA AirportPHL Airport

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