Flight Check

Best Airline: DEN to CLT

Denver to Charlotte — airline reliability comparison

American Airlines is the most reliable airline on the DEN to CLT route with a 81% on-time rate, compared to Southwest Airlines at 68%. Based on 6,244 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

American Airlines81%
Frontier Airlines80%
SkyWest Airlines80%
United Airlines76%
Southwest Airlines68%

DEN to CLT Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
American AirlinesAABest81%1.0%85m6,244
Frontier AirlinesF980%1.5%49m1,234
SkyWest AirlinesOO80%0.0%44m20
United AirlinesUA76%0.5%60m2,337
Southwest AirlinesWNWorst68%1.3%45m440

Route Overview

79%
Overall On-Time
72m
Avg Delay
1%
Cancel Rate
10,396
Total Flights
DEN to CLT Route DetailsReturn: CLT to DEN
DEN AirportCLT Airport

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