Best Time to Fly ATL to BNA: On-Time Stats by Hour & Airline
Hartsfield-Jackson Atlanta International → Nashville International
Data through July 2026 · Last updated October 18, 2026
4,268 flights were scheduled from Atlanta (ATL) to Nashville (BNA) in the last 12 months, and 80.4% of those that flew arrived on time, 2.8 points above the US average of 77.6%.
Delta Air Lines was the most punctual of the 2 airlines on the route at 81.2%, while Southwest Airlines trailed at 77.3%.
September has been the best month (89% on time) and Sunday the weakest day of the week (77%).
1.7% of flights were cancelled, versus 1.8% nationally.
ATL 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 |
|---|---|---|---|---|
| Delta Air Lines | 81.2% | 56 min | 2.0% | 3,369 |
| Southwest Airlines | 77.3% | 68 min | 0.4% | 899 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly ATL to BNA
On-time arrival % by scheduled departure hour (local time), 8,208 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | 98.3% | 0.0% | 59 |
| 7am–8am | 93.0% | 3.1% | 386 |
| 8am–9am | 92.3% | 1.2% | 748 |
| 9am–10am | 89.2% | 0.8% | 533 |
| 10am–11am | 87.6% | 0.8% | 399 |
| 11am–12pm | 88.7% | 0.7% | 600 |
| 12pm–1pm | 84.7% | 1.8% | 286 |
| 1pm–2pm | 84.1% | 0.5% | 598 |
| 2pm–3pm | 74.8% | 1.0% | 301 |
| 3pm–4pm | 77.4% | 0.9% | 653 |
| 4pm–5pm | 81.0% | 0.9% | 527 |
| 5pm–6pm | 73.7% | 1.1% | 348 |
| 6pm–7pm | 72.2% | 1.5% | 615 |
| 7pm–8pm | 72.9% | 0.7% | 423 |
| 8pm–9pm | 72.0% | 1.0% | 607 |
| 9pm–10pm | 64.2% | 0.5% | 381 |
| 10pm–11pm | 81.5% | 1.9% | 469 |
| 11pm–12am | 73.6% | 3.6% | 275 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on ATL to BNA
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) | 73.2% | -9.7 pts | 0.0% | 149 |
| Christmas & New Year (Dec 20 - Jan 3) | 78.1% | -4.8 pts | 0.7% | 303 |
| Summer peak (Jun 15 - Aug 15) | 74.5% | -8.3 pts | 1.2% | 1,523 |
| All other days | 82.8% | — | 1.2% | 6,233 |
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).