Flight Check

Best Airline: FAT to DEN

Fresno to Denver — airline reliability comparison

United Airlines is the most reliable airline on the FAT to DEN route with a 89% on-time rate, compared to Southwest Airlines at 79%. Based on 1,311 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 Airlines89%
SkyWest Airlines89%
Southwest Airlines79%

FAT to DEN Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
United AirlinesUABest89%0.8%86m1,311
SkyWest AirlinesOO89%0.2%82m2,589
Southwest AirlinesWNWorst79%0.2%63m1,283

Route Overview

86%
Overall On-Time
76m
Avg Delay
0.4%
Cancel Rate
5,197
Total Flights
FAT to DEN Route DetailsReturn: DEN to FAT
FAT AirportDEN Airport

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