Flight Check

Best Airline: DEN to BDL

Denver to Hartford — airline reliability comparison

United Airlines is the most reliable airline on the DEN to BDL route with a 75% on-time rate, compared to Southwest Airlines at 60%. Based on 2,150 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

United Airlines75%
Frontier Airlines65%
Southwest Airlines60%

DEN to BDL Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
United AirlinesUABest75%1.3%61m2,150
Frontier AirlinesF965%1.8%61m63
Southwest AirlinesWNWorst60%1.5%56m682

Route Overview

72%
Overall On-Time
60m
Avg Delay
1.1%
Cancel Rate
2,939
Total Flights
DEN to BDL Route DetailsReturn: BDL to DEN
DEN AirportBDL Airport

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