Best Time to Fly MIA to TYS: On-Time Stats by Hour & Airline
Miami International → McGhee Tyson
Data through July 2026 · Last updated October 18, 2026
487 flights were scheduled from Miami (MIA) to Knoxville (TYS) in the last 12 months, and 76.8% of those that flew arrived on time, 0.8 points below the US average of 77.6%.
Envoy Air was the most punctual of the 2 airlines on the route at 84.0%, while American Airlines trailed at 42.9%.
September has been the best month (90% on time) and Monday the weakest day of the week (67%).
0.6% of flights were cancelled, versus 1.8% nationally.
MIA 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 | 84.0% | 43 min | 0.5% | 403 |
| American Airlines | 42.9% | 75 min | 1.3% | 78 |
| Republic Airways | Limited data | 6 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly MIA to TYS
On-time arrival % by scheduled departure hour (local time), 868 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 9am–10am | Limited data | 1 | |
| 1pm–2pm | Limited data | 1 | |
| 2pm–3pm | 79.3% | 1.2% | 83 |
| 3pm–4pm | Limited data | 21 | |
| 4pm–5pm | 64.4% | 0.0% | 45 |
| 5pm–6pm | Limited data | 22 | |
| 7pm–8pm | Limited data | 1 | |
| 8pm–9pm | 73.0% | 0.0% | 122 |
| 9pm–10pm | 77.5% | 0.8% | 490 |
| 10pm–11pm | 43.2% | 1.2% | 82 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on MIA 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) | Limited data | 20 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 66.7% | -10.7 pts | 0.0% | 45 |
| Summer peak (Jun 15 - Aug 15) | 50.4% | -27.0 pts | 2.1% | 144 |
| All other days | 77.4% | — | 0.5% | 659 |
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).