Best Time to Fly SFB to TYS: On-Time Stats by Hour & Airline
Orlando Sanford International → McGhee Tyson
Data through July 2026 · Last updated October 18, 2026
639 flights were scheduled from Sanford (SFB) to Knoxville (TYS) in the last 12 months, and 64.4% of those that flew arrived on time, 13.2 points below the US average of 77.6%.
Allegiant Air was the only reporting airline with regular flights on this route.
September has been the best month (79% on time) and Sunday the weakest day of the week (60%).
0.6% of flights were cancelled, versus 1.8% nationally.
SFB 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 |
|---|---|---|---|---|
| Allegiant Air | 64.4% | 73 min | 0.6% | 639 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly SFB to TYS
On-time arrival % by scheduled departure hour (local time), 1,273 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | Limited data | 26 | |
| 7am–8am | Limited data | 13 | |
| 8am–9am | 82.4% | 1.1% | 93 |
| 9am–10am | 88.1% | 6.7% | 45 |
| 10am–11am | 87.2% | 1.0% | 103 |
| 11am–12pm | 84.8% | 0.0% | 33 |
| 12pm–1pm | 42.0% | 2.0% | 51 |
| 1pm–2pm | 58.5% | 2.5% | 121 |
| 2pm–3pm | 62.6% | 0.0% | 83 |
| 3pm–4pm | 65.0% | 1.0% | 99 |
| 4pm–5pm | 63.5% | 0.0% | 115 |
| 5pm–6pm | 62.0% | 0.0% | 79 |
| 6pm–7pm | 61.5% | 0.0% | 39 |
| 7pm–8pm | 46.6% | 0.8% | 134 |
| 8pm–9pm | 62.0% | 0.0% | 121 |
| 9pm–10pm | 64.3% | 1.2% | 85 |
| 10pm–11pm | 60.6% | 0.0% | 33 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on SFB 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) | 74.3% | +4.4 pts | 0.0% | 35 |
| Christmas & New Year (Dec 20 - Jan 3) | 68.0% | -1.9 pts | 0.0% | 78 |
| Summer peak (Jun 15 - Aug 15) | 44.6% | -25.2 pts | 0.9% | 215 |
| All other days | 69.8% | — | 1.1% | 945 |
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).