Flight Check

Best Airline: LAS to FAT

Las Vegas to Fresno — airline reliability comparison

Allegiant Air is the most reliable airline on the LAS to FAT route with a 81% on-time rate, compared to Southwest Airlines at 76%. Based on 2,277 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 Air81%
Southwest Airlines76%

LAS to FAT Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
Allegiant AirG4Best81%0.6%74m2,277
Southwest AirlinesWNWorst76%0.4%50m4,063

Route Overview

78%
Overall On-Time
57m
Avg Delay
0.5%
Cancel Rate
6,340
Total Flights
LAS to FAT Route DetailsReturn: FAT to LAS
LAS AirportFAT Airport

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