Knoxville (TYS) to Phoenix (PHX): On-Time Performance
Data through July 2026
Knoxville (TYS) to Phoenix (PHX) 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, 80% arrived on time.
- On-time
- 80%
- arrived <15 min late
- Avg delay
- 15 min
- completed flights
- Cancelled
- 0.0%
- Flights/day
- 0.33
- last 12 months
- Duration
- 4h 8m
- scheduled
- Distance
- 1,599 mi
Monthly on-time trend
Best time to fly from TYS to PHX
Aim for departures around 6 a.m. (95% on-time); avoid 2 p.m. departures (72%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 75% | 9 min |
| Tuesday | 75% | 18 min |
| Thursday | 85% | 8 min |
| Fridaybest | 100% | 2 min |
| Saturday | 70% | 41 min |
| Sunday | 76% | 21 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft41%
- Airline operations35%
- National airspace system18%
- Weather7%
Frequently asked questions
- How often are flights from TYS to PHX delayed?
- 20% of TYS–PHX 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.
- What is the best time of day to fly from TYS to PHX?
- Departures around 6 a.m. have the best record (95% on-time), while departures around 2 p.m. have the worst (72%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from TYS to PHX?
- The scheduled TYS–PHX flight time averages 4h 8m over 1,599 miles. Actual arrival times vary — flights on this route land 15+ minutes late 20% of the time.
- How often are TYS to PHX 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%.
Explore related pages
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Based on 250 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.