Flight Check

Best Airline: MSN to DEN

Madison to Denver — airline reliability comparison

United Airlines is the most reliable airline on the MSN to DEN route with a 83% on-time rate, compared to Frontier Airlines at 71%. Based on 2,782 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 Airlines83%
SkyWest Airlines77%
Frontier Airlines71%

MSN to DEN Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
United AirlinesUABest83%1.2%86m2,782
SkyWest AirlinesOO77%0.5%83m392
Frontier AirlinesF9Worst71%1.0%101m582

Route Overview

81%
Overall On-Time
87m
Avg Delay
1.2%
Cancel Rate
3,850
Total Flights
MSN to DEN Route DetailsReturn: DEN to MSN
MSN AirportDEN Airport

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