Flight Check

Best Airline: DEN to CMH

Denver to Columbus — airline reliability comparison

Frontier Airlines is the most reliable airline on the DEN to CMH route with a 80% on-time rate, compared to Southwest Airlines at 68%. Based on 243 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

Frontier Airlines80%
United Airlines80%
Southwest Airlines68%

DEN to CMH Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
Frontier AirlinesF9Best80%2.1%80m243
United AirlinesUA80%0.5%62m2,611
Southwest AirlinesWNWorst68%0.7%55m3,374

Route Overview

74%
Overall On-Time
58m
Avg Delay
0.6%
Cancel Rate
6,323
Total Flights
DEN to CMH Route DetailsReturn: CMH to DEN
DEN AirportCMH Airport

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