Best Time to Fly TYS to MIA: On-Time Stats by Hour & Airline
McGhee Tyson → Miami International
Data through July 2026 · Last updated October 18, 2026
487 flights were scheduled from Knoxville (TYS) to Miami (MIA) in the last 12 months, and 82.0% of those that flew arrived on time, 4.4 points above 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 75.3%.
October has been the best month (93% on time) and Saturday the weakest day of the week (74%).
0.6% of flights were cancelled, versus 1.8% nationally.
TYS to MIA 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% | 63 min | 0.5% | 403 |
| American Airlines | 75.3% | 171 min | 1.3% | 78 |
| Republic Airways | Limited data | 6 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly TYS to MIA
On-time arrival % by scheduled departure hour (local time), 868 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 90.9% | 0.0% | 55 |
| 6am–7am | 82.8% | 0.7% | 549 |
| 7am–8am | 89.0% | 0.0% | 92 |
| 12pm–1pm | Limited data | 1 | |
| 4pm–5pm | Limited data | 6 | |
| 5pm–6pm | 73.8% | 1.2% | 81 |
| 6pm–7pm | Limited data | 23 | |
| 7pm–8pm | 63.9% | 0.0% | 61 |
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 MIA
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% | -17.0 pts | 0.0% | 45 |
| Summer peak (Jun 15 - Aug 15) | 72.9% | -10.8 pts | 2.1% | 144 |
| All other days | 83.7% | — | 0.3% | 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).