Flight Check

Best Airline: LAS to MSO

Las Vegas to Missoula — airline reliability comparison

Allegiant Air is the most reliable airline on the LAS to MSO route with a 81% on-time rate. Based on 79 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

Allegiant Air81%

LAS to MSO Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
Allegiant AirG4Best81%3.0%51m79

Route Overview

81%
Overall On-Time
53m
Avg Delay
2.5%
Cancel Rate
79
Total Flights
LAS to MSO Route DetailsReturn: MSO to LAS
LAS AirportMSO Airport

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