Flight Check

Best Airline: DEN to DTW

Denver to Detroit — airline reliability comparison

Delta Air Lines is the most reliable airline on the DEN to DTW route with a 85% on-time rate, compared to Southwest Airlines at 65%. Based on 4,643 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

Delta Air Lines85%
Frontier Airlines78%
United Airlines78%
Southwest Airlines65%

DEN to DTW Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
Delta Air LinesDLBest85%0.7%67m4,643
Frontier AirlinesF978%0.5%66m1,330
United AirlinesUA78%0.4%65m2,609
Southwest AirlinesWNWorst65%0.5%50m2,131

Route Overview

78%
Overall On-Time
61m
Avg Delay
0.6%
Cancel Rate
10,753
Total Flights
DEN to DTW Route DetailsReturn: DTW to DEN
DEN AirportDTW Airport

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