Flight Check

Best Airline: DEN to MSO

Denver to Missoula — airline reliability comparison

SkyWest Airlines is the most reliable airline on the DEN to MSO route with a 83% on-time rate, compared to Frontier Airlines at 70%. Based on 1,131 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 Airlines83%
United Airlines79%
Frontier Airlines70%

DEN to MSO Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
SkyWest AirlinesOOBest83%0.7%65m1,131
United AirlinesUA79%0.7%65m2,827
Frontier AirlinesF9Worst70%1.1%48m77

Route Overview

80%
Overall On-Time
64m
Avg Delay
0.8%
Cancel Rate
4,082
Total Flights
DEN to MSO Route DetailsReturn: MSO to DEN
DEN AirportMSO Airport

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