Flight Check

Best Airline: PBI to DEN

West Palm Beach to Denver — airline reliability comparison

United Airlines is the most reliable airline on the PBI to DEN route with a 75% on-time rate, compared to Frontier Airlines at 64%. Based on 359 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 Airlines75%
Frontier Airlines64%

PBI to DEN Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
United AirlinesUABest75%0.7%84m359
Frontier AirlinesF9Worst64%7.3%108m39

Route Overview

75%
Overall On-Time
87m
Avg Delay
1.5%
Cancel Rate
398
Total Flights
PBI to DEN Route DetailsReturn: DEN to PBI
PBI AirportDEN Airport

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