Flight Check

Best Airline: LAS to TYS

Las Vegas to Knoxville — airline reliability comparison

Allegiant Air is the most reliable airline on the LAS to TYS route with a 84% on-time rate. Based on 88 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 Air84%

LAS to TYS Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
Allegiant AirG4Best84%0.0%80m88

Route Overview

85%
Overall On-Time
77m
Avg Delay
0%
Cancel Rate
88
Total Flights
LAS to TYS Route DetailsReturn: TYS to LAS
LAS AirportTYS Airport

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