Best Time to Fly DFW to TYS: On-Time Stats by Hour & Airline
Dallas/Fort Worth International → McGhee Tyson
Data through July 2026 · Last updated October 18, 2026
1,739 flights were scheduled from Dallas/Fort Worth (DFW) to Knoxville (TYS) in the last 12 months, and 71.7% of those that flew arrived on time, 5.9 points below the US average of 77.6%.
Envoy Air was the most punctual of the 3 airlines on the route at 92.0%, while American Airlines trailed at 69.5%.
February has been the best month (78% on time) and Monday the weakest day of the week (66%).
3.4% of flights were cancelled, versus 1.8% nationally.
DFW to TYS on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| Envoy Air | 92.0% | 28 min | 1.1% | 88 |
| PSA Airlines | 75.9% | 96 min | 1.8% | 275 |
| American Airlines | 69.5% | 71 min | 3.7% | 1,371 |
| SkyWest Airlines | Limited data | 5 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly DFW to TYS
On-time arrival % by scheduled departure hour (local time), 3,257 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 7am–8am | 88.2% | 0.7% | 145 |
| 8am–9am | 82.3% | 3.7% | 482 |
| 9am–10am | 78.7% | 1.6% | 129 |
| 10am–11am | 80.9% | 0.4% | 232 |
| 11am–12pm | 59.0% | 3.2% | 63 |
| 12pm–1pm | 81.0% | 2.4% | 382 |
| 1pm–2pm | 48.6% | 2.8% | 72 |
| 2pm–3pm | 66.6% | 3.5% | 632 |
| 4pm–5pm | 47.2% | 6.4% | 78 |
| 5pm–6pm | 58.7% | 2.1% | 47 |
| 6pm–7pm | 67.7% | 1.8% | 227 |
| 7pm–8pm | 63.1% | 4.6% | 109 |
| 8pm–9pm | 48.3% | 3.5% | 461 |
| 9pm–10pm | 67.5% | 3.0% | 198 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on DFW to TYS
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 64.0% | -7.5 pts | 0.0% | 50 |
| Christmas & New Year (Dec 20 - Jan 3) | 74.1% | +2.7 pts | 2.6% | 115 |
| Summer peak (Jun 15 - Aug 15) | 61.5% | -10.0 pts | 2.5% | 646 |
| All other days | 71.5% | — | 3.1% | 2,446 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).