Flight Check

Best Airline: LAS to FSD

Las Vegas to Sioux Falls — airline reliability comparison

Allegiant Air is the most reliable airline on the LAS to FSD route with a 85% on-time rate. Based on 592 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 Air85%

LAS to FSD Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
Allegiant AirG4Best85%0.3%58m592

Route Overview

85%
Overall On-Time
60m
Avg Delay
0.3%
Cancel Rate
592
Total Flights
LAS to FSD Route DetailsReturn: FSD to LAS
LAS AirportFSD Airport

Flying out of LAS? We'll brief you.

Delays, TSA, weather, gates — we'll let you know if something matters.

Free. No account needed.

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