Flight Check

Best Airline: LGB to DEN

Long Beach to Denver — airline reliability comparison

Southwest Airlines is the most reliable airline on the LGB to DEN route with a 84% on-time rate. Based on 3,802 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 Airlines84%

LGB to DEN Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
Southwest AirlinesWNBest84%0.7%56m3,802

Route Overview

83%
Overall On-Time
57m
Avg Delay
0.7%
Cancel Rate
3,802
Total Flights
LGB to DEN Route DetailsReturn: DEN to LGB
LGB AirportDEN Airport

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