Flight Check

Best Airline: DEN to DSM

Denver to Des Moines — airline reliability comparison

SkyWest Airlines is the most reliable airline on the DEN to DSM route with a 86% on-time rate, compared to Southwest Airlines at 69%. Based on 2,142 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

SkyWest Airlines86%
Frontier Airlines81%
United Airlines77%
Southwest Airlines69%

DEN to DSM Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
SkyWest AirlinesOOBest86%0.8%66m2,142
Frontier AirlinesF981%1.1%52m486
United AirlinesUA77%0.9%69m3,190
Southwest AirlinesWNWorst69%0.6%58m2,339

Route Overview

77%
Overall On-Time
64m
Avg Delay
0.9%
Cancel Rate
8,224
Total Flights
DEN to DSM Route DetailsReturn: DSM to DEN
DEN AirportDSM Airport

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