Phoenix (PHX) to Knoxville (TYS): On-Time Performance
Data through July 2026
Phoenix (PHX) to Knoxville (TYS) is a thinner route than most in this dataset — 122 departures over the past year, roughly 2 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 74% arrived on time.
- On-time
- 74%
- arrived <15 min late
- Avg delay
- 21 min
- completed flights
- Cancelled
- 0.0%
- Flights/day
- 0.33
- last 12 months
- Duration
- 3h 28m
- scheduled
- Distance
- 1,599 mi
Monthly on-time trend
Best time to fly from PHX to TYS
Aim for departures around 5 p.m. (74% on-time); avoid 4 p.m. departures (59%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 75% | 8 min |
| Tuesday | 75% | 13 min |
| Thursday | 81% | 15 min |
| Fridaybest | 100% | 4 min |
| Saturday | 60% | 42 min |
| Sunday | 66% | 28 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft68%
- Airline operations14%
- National airspace system14%
- Weather4%
Frequently asked questions
- How often are flights from PHX to TYS delayed?
- 26% of PHX–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 21 minutes.
- What is the best time of day to fly from PHX to TYS?
- Departures around 5 p.m. have the best record (74% on-time), while departures around 4 p.m. have the worst (59%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from PHX to TYS?
- The scheduled PHX–TYS flight time averages 3h 28m over 1,599 miles. Actual arrival times vary — flights on this route land 15+ minutes late 26% of the time.
- How often are PHX 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%.
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Related guides
Based on 250 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.