Flight Check

Best Airline: PHL to MIA

Philadelphia to Miami — airline reliability comparison

Spirit Airlines is the most reliable airline on the PHL to MIA route with a 81% on-time rate, compared to Frontier Airlines at 67%. Based on 1,046 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

Spirit Airlines81%
American Airlines78%
Frontier Airlines67%

PHL to MIA Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
Spirit AirlinesNKBest81%1.9%69m1,046
American AirlinesAA78%1.6%82m8,918
Frontier AirlinesF9Worst67%2.1%85m1,419

Route Overview

77%
Overall On-Time
82m
Avg Delay
1.8%
Cancel Rate
11,384
Total Flights
PHL to MIA Route DetailsReturn: MIA to PHL
PHL AirportMIA Airport

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