Flight Check

Best Airline: CLT to DEN

Charlotte to Denver — airline reliability comparison

SkyWest Airlines is the most reliable airline on the CLT to DEN route with a 84% on-time rate, compared to Frontier Airlines at 71%. Based on 20 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

SkyWest Airlines84%
United Airlines81%
American Airlines73%
Southwest Airlines71%
Frontier Airlines71%

CLT to DEN Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
SkyWest AirlinesOOBest84%5.0%214m20
United AirlinesUA81%1.0%74m2,337
American AirlinesAA73%0.9%63m6,247
Southwest AirlinesWN71%0.5%60m440
Frontier AirlinesF9Worst71%2.2%68m1,233

Route Overview

74%
Overall On-Time
67m
Avg Delay
1.1%
Cancel Rate
10,399
Total Flights
CLT to DEN Route DetailsReturn: DEN to CLT
CLT AirportDEN Airport

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