Flight Check

Best Airline: RAP to LAS

Rapid City to Las Vegas — airline reliability comparison

Allegiant Air is the most reliable airline on the RAP to LAS route with a 79% on-time rate. Based on 85 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 Air79%

RAP to LAS Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
Allegiant AirG4Best79%1.1%56m85

Route Overview

78%
Overall On-Time
56m
Avg Delay
1.2%
Cancel Rate
85
Total Flights
RAP to LAS Route DetailsReturn: LAS to RAP
RAP AirportLAS Airport

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