Flight Check

Best Airline: GRR to LAS

Grand Rapids to Las Vegas — airline reliability comparison

Southwest Airlines is the most reliable airline on the GRR to LAS route with a 79% on-time rate, compared to Allegiant Air at 77%. Based on 407 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 Airlines79%
Allegiant Air77%

GRR to LAS Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
Southwest AirlinesWNBest79%0.0%47m407
Allegiant AirG4Worst77%0.1%82m736

Route Overview

78%
Overall On-Time
75m
Avg Delay
0.1%
Cancel Rate
1,161
Total Flights
GRR to LAS Route DetailsReturn: LAS to GRR
GRR AirportLAS Airport

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