Flight Check

Best Airline: COS to LAS

Colorado Springs to Las Vegas — airline reliability comparison

Southwest Airlines is the most reliable airline on the COS to LAS route with a 80% on-time rate. Based on 3,354 flights tracked.

This route involves high-congestion airports, which can affect reliability regardless of airline.

Source: Bureau of Transportation Statistics. Updated October 2026.

On-Time Rate by Airline

Southwest Airlines80%

COS to LAS Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
Southwest AirlinesWNBest80%0.4%62m3,354

Route Overview

80%
Overall On-Time
61m
Avg Delay
0.5%
Cancel Rate
3,354
Total Flights
COS to LAS Route DetailsReturn: LAS to COS
COS AirportLAS Airport

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