Flight Check

Best Airline: TYS to LAS

Knoxville to Las Vegas — airline reliability comparison

Allegiant Air is the most reliable airline on the TYS to LAS route with a 86% 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 Air86%

TYS to LAS Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
Allegiant AirG4Best86%0.0%83m88

Route Overview

86%
Overall On-Time
83m
Avg Delay
0%
Cancel Rate
88
Total Flights
TYS to LAS Route DetailsReturn: LAS to TYS
TYS AirportLAS Airport

Flying out of TYS? 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.