Charlotte (CLT) to Knoxville (TYS): On-Time Performance
Data through May 2026
When you fly CLT to TYS matters as much as anything else about the booking: the route swung from 88% on-time in November 2024 to just 53% in July 2025. Across the full period the route averages 73% on-time against a national 78%. Morning departures also hold up better than evening ones (83% vs 65%), which matters most in the rough months.
- On-time
- 73%
- arrived <15 min late
- Avg delay
- 20 min
- completed flights
- Cancelled
- 1.6%
- Flights/day
- 2.3
- last 12 months
- Duration
- 1h 12m
- scheduled
- Distance
- 176 mi
Best airline from CLT to TYS
3 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Envoy Airmost reliable | 87% | 5 min | 1.2% | 85 |
| PSA Airlines | 74% | 19 min | 1.8% | 2,510 |
| American Airlines | 66% | 27 min | 1.1% | 531 |
Monthly on-time trend
Best time to fly from CLT to TYS
Aim for departures around 7 a.m. (91% on-time); avoid 8 p.m. departures (61%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 73% | 18 min |
| Tuesdaybest | 79% | 17 min |
| Wednesday | 78% | 15 min |
| Thursday | 73% | 20 min |
| Friday | 68% | 21 min |
| Saturday | 75% | 23 min |
| Sunday | 68% | 25 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft50%
- Airline operations29%
- National airspace system13%
- Weather8%
Frequently asked questions
- How often are flights from CLT to TYS delayed?
- 27% of CLT–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 20 minutes.
- Which airline is most reliable from CLT to TYS?
- Envoy Air has the best on-time record on this route at 87%, based on 85 flights. 3 airlines flew CLT–TYS frequently enough to compare in this period.
- What is the best time of day to fly from CLT to TYS?
- Departures around 7 a.m. have the best record (91% on-time), while departures around 8 p.m. have the worst (61%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from CLT to TYS?
- The scheduled CLT–TYS flight time averages 1h 12m over 176 miles. Actual arrival times vary — flights on this route land 15+ minutes late 27% of the time.
- How often are CLT to TYS flights cancelled?
- 1.6% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
- What is the worst month to fly from CLT to TYS?
- July 2025 was the roughest month in this dataset, with only 53% of arrivals on time. The best was November 2024 at 88%. If your dates are flexible, that 35-point gap is worth planning around.
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Based on 3,137 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.