Flight Check

Best Airline: SJU to PHL

San Juan to Philadelphia — airline reliability comparison

JetBlue Airways is the most reliable airline on the SJU to PHL route with a 93% on-time rate, compared to Frontier Airlines at 57%. Based on 122 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

JetBlue Airways93%
American Airlines78%
Spirit Airlines75%
Frontier Airlines57%

SJU to PHL Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
JetBlue AirwaysB6Best93%2.4%48m122
American AirlinesAA78%0.7%145m1,852
Spirit AirlinesNK75%3.0%81m1,082
Frontier AirlinesF9Worst57%2.8%100m2,702

Route Overview

68%
Overall On-Time
100m
Avg Delay
2.3%
Cancel Rate
5,790
Total Flights
SJU to PHL Route DetailsReturn: PHL to SJU
SJU AirportPHL Airport

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