Best Time to Fly TYS to DFW: On-Time Stats by Hour & Airline
McGhee Tyson → Dallas/Fort Worth International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 77.0% of Knoxville (TYS) to Dallas/Fort Worth (DFW) flights arrived on time (1,738 scheduled flights). That is 0.6 points below the national average of 77.6%.
Envoy Air was the most punctual of the 3 airlines on the route at 89.7%, while American Airlines trailed at 76.1%.
February has been the best month (82% on time) and Sunday the weakest day of the week (73%).
3.8% of flights were cancelled, versus 1.8% nationally.
TYS to DFW 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 | 89.7% | 57 min | 1.1% | 88 |
| PSA Airlines | 77.4% | 81 min | 2.5% | 274 |
| American Airlines | 76.1% | 101 min | 4.1% | 1,371 |
| SkyWest Airlines | Limited data | 5 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly TYS to DFW
On-time arrival % by scheduled departure hour (local time), 3,258 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 89.2% | 2.7% | 564 |
| 6am–7am | 85.2% | 5.5% | 165 |
| 7am–8am | 82.4% | 2.1% | 337 |
| 8am–9am | Limited data | 11 | |
| 10am–11am | 89.0% | 1.4% | 74 |
| 11am–12pm | 75.3% | 1.1% | 90 |
| 12pm–1pm | 81.1% | 3.5% | 464 |
| 1pm–2pm | 79.1% | 3.5% | 115 |
| 2pm–3pm | 72.2% | 0.7% | 277 |
| 3pm–4pm | 65.2% | 1.4% | 71 |
| 4pm–5pm | 79.3% | 3.2% | 341 |
| 5pm–6pm | 52.9% | 4.2% | 71 |
| 6pm–7pm | 64.7% | 4.3% | 625 |
| 8pm–9pm | 36.7% | 7.5% | 53 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on TYS to DFW
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) | 76.0% | -1.5 pts | 0.0% | 50 |
| Christmas & New Year (Dec 20 - Jan 3) | 77.7% | +0.2 pts | 2.6% | 115 |
| Summer peak (Jun 15 - Aug 15) | 75.0% | -2.4 pts | 2.5% | 647 |
| All other days | 77.5% | — | 3.4% | 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).