Best Time to Fly TYS to SFB: On-Time Stats by Hour & Airline
McGhee Tyson → Orlando Sanford International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 68.9% of Knoxville (TYS) to Sanford (SFB) flights arrived on time (639 scheduled flights). That is 8.7 points below the national average of 77.6%.
Allegiant Air was the only reporting airline with regular flights on this route.
April has been the best month (85% on time) and Sunday the weakest day of the week (62%).
0.6% of flights were cancelled, versus 1.8% nationally.
TYS to SFB 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 | 68.9% | 80 min | 0.6% | 639 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly TYS to SFB
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 | 90.4% | 2.3% | 87 |
| 7am–8am | 94.7% | 2.4% | 41 |
| 8am–9am | 93.3% | 0.0% | 75 |
| 9am–10am | 85.2% | 0.0% | 54 |
| 10am–11am | Limited data | 22 | |
| 11am–12pm | 77.2% | 1.7% | 58 |
| 12pm–1pm | 75.0% | 0.8% | 117 |
| 1pm–2pm | 79.2% | 0.0% | 77 |
| 2pm–3pm | 71.6% | 1.3% | 75 |
| 3pm–4pm | 47.9% | 1.2% | 169 |
| 4pm–5pm | 66.7% | 0.0% | 64 |
| 5pm–6pm | 62.5% | 0.9% | 105 |
| 6pm–7pm | 72.9% | 0.8% | 134 |
| 7pm–8pm | 60.3% | 0.0% | 69 |
| 8pm–9pm | Limited data | 11 | |
| 9pm–10pm | 67.3% | 2.0% | 50 |
| 10pm–11pm | 35.9% | 1.5% | 65 |
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 SFB
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) | 82.9% | +8.0 pts | 0.0% | 35 |
| Christmas & New Year (Dec 20 - Jan 3) | 73.1% | -1.8 pts | 0.0% | 78 |
| Summer peak (Jun 15 - Aug 15) | 46.2% | -28.6 pts | 0.9% | 215 |
| All other days | 74.8% | — | 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).