Best Time to Fly BNA to BOS: On-Time Stats by Hour & Airline
Nashville International → Logan International
Data through July 2026 · Last updated October 18, 2026
2,935 flights were scheduled from Nashville (BNA) to Boston (BOS) in the last 12 months, and 68.7% of those that flew arrived on time, 8.9 points below the US average of 77.6%.
Among 4 airlines, Republic Airways led with 80.6% on time and Southwest Airlines was last with 59.6%.
Over 24 months, Saturday was the most reliable day (81% on time) and July the worst month (64%).
The cancellation rate was 2.0% (US average 1.8%).
BNA to BOS 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 |
|---|---|---|---|---|
| Republic Airways | 80.6% | 90 min | 3.1% | 478 |
| JetBlue | 71.2% | 70 min | 2.6% | 874 |
| Delta Air Lines | 71.1% | 103 min | 1.4% | 558 |
| Southwest Airlines | 59.6% | 54 min | 1.2% | 1,000 |
| American Airlines | Limited data | 2 | ||
| Spirit Airlines | Limited data | 23 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly BNA to BOS
On-time arrival % by scheduled departure hour (local time), 5,815 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 86.0% | 0.0% | 50 |
| 6am–7am | 90.8% | 1.4% | 421 |
| 7am–8am | 88.0% | 1.6% | 643 |
| 8am–9am | 88.6% | 0.0% | 79 |
| 9am–10am | 84.0% | 1.2% | 424 |
| 10am–11am | 80.7% | 0.6% | 520 |
| 11am–12pm | 76.7% | 2.2% | 721 |
| 12pm–1pm | 71.2% | 0.9% | 345 |
| 1pm–2pm | 53.6% | 2.3% | 216 |
| 2pm–3pm | 65.7% | 1.4% | 279 |
| 3pm–4pm | 52.3% | 2.7% | 220 |
| 4pm–5pm | 64.2% | 3.1% | 98 |
| 5pm–6pm | 62.0% | 2.8% | 253 |
| 6pm–7pm | 71.6% | 0.6% | 823 |
| 7pm–8pm | 55.3% | 3.1% | 392 |
| 8pm–9pm | 52.5% | 3.6% | 253 |
| 9pm–10pm | 48.7% | 0.0% | 78 |
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 BOS
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) | 79.2% | +4.9 pts | 0.0% | 108 |
| Christmas & New Year (Dec 20 - Jan 3) | 77.0% | +2.6 pts | 1.4% | 207 |
| Summer peak (Jun 15 - Aug 15) | 66.8% | -7.5 pts | 3.2% | 1,122 |
| All other days | 74.3% | — | 1.3% | 4,378 |
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).