Flight Check

Best Airline: ANC to DEN

Anchorage to Denver — airline reliability comparison

Alaska Airlines is the most reliable airline on the ANC to DEN route with a 92% on-time rate, compared to Southwest Airlines at 59%. Based on 419 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

Alaska Airlines92%
United Airlines84%
Southwest Airlines59%

ANC to DEN Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
Alaska AirlinesASBest92%0.4%36m419
United AirlinesUA84%0.9%81m1,801
Southwest AirlinesWNWorst59%0.0%62m78

Route Overview

85%
Overall On-Time
77m
Avg Delay
0.9%
Cancel Rate
2,308
Total Flights
ANC to DEN Route DetailsReturn: DEN to ANC
ANC AirportDEN Airport

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