Flight Check

Best Airline: LAS to BOI

Las Vegas to Boise — airline reliability comparison

Alaska Airlines is the most reliable airline on the LAS to BOI route with a 87% on-time rate, compared to Allegiant Air at 70%. Based on 71 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

Alaska Airlines87%
Spirit Airlines81%
SkyWest Airlines76%
Southwest Airlines73%
Allegiant Air70%

LAS to BOI Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
Alaska AirlinesASBest87%0.0%159m71
Spirit AirlinesNK81%2.0%60m1,115
SkyWest AirlinesOO76%0.8%59m535
Southwest AirlinesWN73%0.3%48m3,538
Allegiant AirG4Worst70%0.0%37m10

Route Overview

76%
Overall On-Time
55m
Avg Delay
0.7%
Cancel Rate
5,505
Total Flights
LAS to BOI Route DetailsReturn: BOI to LAS
LAS AirportBOI Airport

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