Flight Check

Best Airline: BUF to LAS

Buffalo to Las Vegas — airline reliability comparison

Southwest Airlines is the most reliable airline on the BUF to LAS route with a 81% on-time rate. Based on 1,000 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 Airlines81%

BUF to LAS Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
Southwest AirlinesWNBest81%0.8%62m1,000

Route Overview

82%
Overall On-Time
63m
Avg Delay
0.7%
Cancel Rate
1,000
Total Flights
BUF to LAS Route DetailsReturn: LAS to BUF
BUF AirportLAS Airport

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