Flight Check

Best Airline: DEN to BHM

Denver to Birmingham — airline reliability comparison

SkyWest Airlines is the most reliable airline on the DEN to BHM route with a 77% on-time rate, compared to Southwest Airlines at 62%. Based on 2,488 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 Airlines77%
United Airlines76%
Southwest Airlines62%

DEN to BHM Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
SkyWest AirlinesOOBest77%0.5%58m2,488
United AirlinesUA76%0.0%59m92
Southwest AirlinesWNWorst62%0.6%57m1,433

Route Overview

72%
Overall On-Time
57m
Avg Delay
0.6%
Cancel Rate
4,013
Total Flights
DEN to BHM Route DetailsReturn: BHM to DEN
DEN AirportBHM Airport

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