Best Time to Fly TYS to BNA: On-Time Stats by Hour & Airline
McGhee Tyson → Nashville International
Data through July 2026 · Last updated October 18, 2026
297 flights were scheduled from Knoxville (TYS) to Nashville (BNA) in the last 12 months, and 81.1% of those that flew arrived on time, 3.5 points above the US average of 77.6%.
Southwest Airlines was the only reporting airline with regular flights on this route.
Over 24 months, Friday was the most reliable day (89% on time) and June the worst month (77%).
The cancellation rate was 0.0% (US average 1.8%).
TYS to BNA 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 | 81.1% | 44 min | 0.0% | 297 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly TYS to BNA
On-time arrival % by scheduled departure hour (local time), 297 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | 93.8% | 0.0% | 97 |
| 7am–8am | 96.1% | 0.0% | 51 |
| 4pm–5pm | Limited data | 1 | |
| 5pm–6pm | Limited data | 26 | |
| 6pm–7pm | 64.3% | 0.0% | 56 |
| 7pm–8pm | 68.2% | 0.0% | 66 |
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 BNA
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) | 79.8% | -2.0 pts | 0.0% | 94 |
| All other days | 81.8% | — | 0.0% | 203 |
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).