FlightRecord

Las Vegas (LAS) to Knoxville (TYS): On-Time Performance

Data through July 2026

Las Vegas (LAS) to Knoxville (TYS) is a thinner route than most in this dataset — 118 departures over the past year, roughly 2 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 82% arrived on time.

On-time
82%
arrived <15 min late
Avg delay
15 min
completed flights
Cancelled
0.0%
Flights/day
0.32
last 12 months
Duration
3h 51m
scheduled
Distance
1,739 mi

Monthly on-time trend

Monthly on-time percentage for LAS to TYS flights50%75%100%August 2024: 56% on-time (9 flights)56Aug 2024September 2024: 89% on-time (9 flights)89October 2024: 100% on-time (14 flights)100November 2024: 89% on-time (9 flights)89Nov 2024December 2024: 100% on-time (9 flights)100January 2025: 89% on-time (9 flights)89February 2025: 88% on-time (8 flights)88Feb 2025March 2025: 100% on-time (13 flights)100April 2025: 73% on-time (11 flights)73May 2025: 56% on-time (9 flights)56May 2025June 2025: 78% on-time (9 flights)78July 2025: 78% on-time (9 flights)78August 2025: 78% on-time (9 flights)78Aug 2025September 2025: 77% on-time (13 flights)77October 2025: 80% on-time (15 flights)80November 2025: 78% on-time (9 flights)78Nov 2025December 2025: 88% on-time (8 flights)88January 2026: 78% on-time (9 flights)78February 2026: 75% on-time (8 flights)75Feb 2026March 2026: 92% on-time (12 flights)92April 2026: 75% on-time (8 flights)75May 2026: 78% on-time (9 flights)78May 2026June 2026: 89% on-time (9 flights)89July 2026: 89% on-time (9 flights)89

Best time to fly from LAS to TYS

On-time percentage by scheduled departure hour, LAS to TYS6 a.m.: 87% on-time (61 flights)67 a.m.: 83% on-time (29 flights)710 a.m.: 77% on-time (30 flights)103 p.m.: 72% on-time (29 flights)154 p.m.: 86% on-time (28 flights)16scheduled departure hour

By day of week

DayOn-timeAvg delay
Monday84%13 min
Wednesday93%11 min
Thursdaybest100%5 min
Friday76%21 min
Sunday90%4 min

What causes delays on this route

Share of total delay minutes by cause, as reported by carriers to the US DOT.

  • Late-arriving aircraft33%
  • Airline operations24%
  • National airspace system37%
  • Weather7%

Frequently asked questions

How often are flights from LAS to TYS delayed?
18% of LAS–TYS flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 15 minutes.
How long is the flight from LAS to TYS?
The scheduled LAS–TYS flight time averages 3h 51m over 1,739 miles. Actual arrival times vary — flights on this route land 15+ minutes late 18% of the time.
How often are LAS to TYS flights cancelled?
0% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.

Based on 246 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.