Flight Check

Best Airline: BIL to LAS

Billings to Las Vegas — airline reliability comparison

Allegiant Air is the most reliable airline on the BIL to LAS route with a 77% on-time rate. Based on 168 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 Air77%

BIL to LAS Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
Allegiant AirG4Best77%0.0%71m168

Route Overview

77%
Overall On-Time
75m
Avg Delay
0%
Cancel Rate
168
Total Flights
BIL to LAS Route DetailsReturn: LAS to BIL
BIL AirportLAS Airport

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