Flight Check

Best Airline: DTW to DEN

Detroit to Denver — airline reliability comparison

United Airlines is the most reliable airline on the DTW to DEN route with a 84% on-time rate, compared to Delta Air Lines at 79%. Based on 2,608 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 Airlines84%
Frontier Airlines81%
Southwest Airlines79%
Delta Air Lines79%

DTW to DEN Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
United AirlinesUABest84%0.8%69m2,608
Frontier AirlinesF981%0.8%77m1,327
Southwest AirlinesWN79%0.4%49m2,137
Delta Air LinesDLWorst79%0.6%55m4,647

Route Overview

81%
Overall On-Time
61m
Avg Delay
0.7%
Cancel Rate
10,762
Total Flights
DTW to DEN Route DetailsReturn: DEN to DTW
DTW AirportDEN Airport

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