Flight Check

Best Airline: SJU to DFW

San Juan to Dallas — airline reliability comparison

Spirit Airlines is the most reliable airline on the SJU to DFW route with a 78% on-time rate, compared to Frontier Airlines at 63%. Based on 1,018 flights tracked.

This route involves high-congestion airports, which can affect reliability regardless of airline.

Source: Bureau of Transportation Statistics. Updated October 2026.

On-Time Rate by Airline

Spirit Airlines78%
American Airlines76%
Frontier Airlines63%

SJU to DFW Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
Spirit AirlinesNKBest78%1.4%73m1,018
American AirlinesAA76%0.9%115m1,971
Frontier AirlinesF9Worst63%3.7%76m313

Route Overview

76%
Overall On-Time
88m
Avg Delay
1.4%
Cancel Rate
3,321
Total Flights
SJU to DFW Route DetailsReturn: DFW to SJU
SJU AirportDFW Airport

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