Best Time to Fly BNA to TYS: On-Time Stats by Hour & Airline
Nashville International → McGhee Tyson
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 69.7% of Nashville (BNA) to Knoxville (TYS) flights arrived on time (298 scheduled flights). That is 7.9 points below the national average of 77.6%.
Southwest Airlines was the only reporting airline with regular flights on this route.
April has been the best month (90% on time) and Thursday the weakest day of the week (59%).
0.3% of flights were cancelled, versus 1.8% nationally.
BNA 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 |
|---|---|---|---|---|
| Southwest Airlines | 69.7% | 46 min | 0.3% | 298 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly BNA to TYS
On-time arrival % by scheduled departure hour (local time), 298 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 9am–10am | 93.6% | 0.0% | 47 |
| 10am–11am | 85.7% | 0.0% | 91 |
| 11am–12pm | Limited data | 10 | |
| 12pm–1pm | Limited data | 1 | |
| 4pm–5pm | Limited data | 9 | |
| 5pm–6pm | Limited data | 26 | |
| 6pm–7pm | 47.9% | 0.0% | 48 |
| 7pm–8pm | 47.7% | 1.5% | 66 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on BNA to TYS
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Summer peak (Jun 15 - Aug 15) | 54.3% | -22.6 pts | 0.0% | 94 |
| All other days | 76.8% | — | 0.5% | 204 |
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).