Las Vegas (LAS) to Knoxville (TYS): On-Time Performance
Data through May 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, 81% arrived on time.
- On-time
- 81%
- arrived <15 min late
- Avg delay
- 16 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
Best time to fly from LAS to TYS
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 82% | 13 min |
| Wednesday | 93% | 11 min |
| Thursdaybest | 100% | 5 min |
| Friday | 75% | 22 min |
| Sunday | 90% | 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 aircraft34%
- Airline operations24%
- National airspace system35%
- Weather6%
Frequently asked questions
- How often are flights from LAS to TYS delayed?
- 20% of LAS–TYS flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 16 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 20% of the time.
- How often are LAS to TYS flights cancelled?
- 0% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
Explore related pages
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Related guides
Based on 236 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.