Flight Check

Best Airline: DEN to CVG

Denver to Cincinnati — airline reliability comparison

Delta Air Lines is the most reliable airline on the DEN to CVG route with a 84% on-time rate, compared to Southwest Airlines at 71%. Based on 664 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 Lines84%
United Airlines81%
Frontier Airlines74%
Southwest Airlines71%

DEN to CVG Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
Delta Air LinesDLBest84%0.2%78m664
United AirlinesUA81%0.6%60m2,609
Frontier AirlinesF974%1.3%66m1,514
Southwest AirlinesWNWorst71%0.4%47m1,170

Route Overview

77%
Overall On-Time
62m
Avg Delay
0.7%
Cancel Rate
6,117
Total Flights
DEN to CVG Route DetailsReturn: CVG to DEN
DEN AirportCVG Airport

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