Flight Check

Best Airline: BLI to DEN

Bellingham to Denver — airline reliability comparison

Southwest Airlines is the most reliable airline on the BLI to DEN route with a 60% on-time rate. Based on 25 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

Southwest Airlines60%

BLI to DEN Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
Southwest AirlinesWNBest60%0.0%49m25

Route Overview

60%
Overall On-Time
49m
Avg Delay
0%
Cancel Rate
25
Total Flights
BLI to DEN Route DetailsReturn: DEN to BLI
BLI AirportDEN Airport

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