Flight Check

Best Airline: FLL to DEN

Fort Lauderdale to Denver — airline reliability comparison

United Airlines is the most reliable airline on the FLL to DEN route with a 84% on-time rate, compared to Spirit Airlines at 52%. Based on 4,036 flights tracked.

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

Source: Bureau of Transportation Statistics. Updated October 2026.

On-Time Rate by Airline

United Airlines84%
JetBlue Airways76%
Southwest Airlines72%
Spirit Airlines52%

FLL to DEN Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
United AirlinesUABest84%1.2%81m4,036
JetBlue AirwaysB676%4.5%101m22
Southwest AirlinesWN72%0.1%54m1,411
Spirit AirlinesNKWorst52%0.6%60m396

Route Overview

79%
Overall On-Time
70m
Avg Delay
0.9%
Cancel Rate
5,882
Total Flights
FLL to DEN Route DetailsReturn: DEN to FLL
FLL AirportDEN Airport

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