Best Time to Fly BOS to JFK: On-Time Stats by Hour & Airline
Logan International → John F. Kennedy International
Data through July 2026 · Last updated October 18, 2026
5,672 flights were scheduled from Boston (BOS) to New York (JFK) in the last 12 months, and 75.3% of those that flew arrived on time, 2.3 points below the US average of 77.6%.
Delta Air Lines was the most punctual of the 3 airlines on the route at 91.6%, while JetBlue trailed at 72.7%.
November has been the best month (84% on time) and Sunday the weakest day of the week (72%).
4.8% of flights were cancelled, versus 1.8% nationally.
BOS to JFK 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 | 91.6% | 66 min | 3.0% | 368 |
| Republic Airways | 75.4% | 63 min | 5.0% | 2,888 |
| JetBlue | 72.7% | 78 min | 4.7% | 2,416 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly BOS to JFK
On-time arrival % by scheduled departure hour (local time), 11,040 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 91.6% | 2.1% | 720 |
| 6am–7am | 90.9% | 2.4% | 1,330 |
| 7am–8am | 89.9% | 1.7% | 516 |
| 8am–9am | 83.4% | 3.6% | 250 |
| 9am–10am | 89.3% | 0.8% | 587 |
| 10am–11am | 86.9% | 1.9% | 971 |
| 11am–12pm | 82.4% | 1.8% | 667 |
| 12pm–1pm | 73.3% | 3.6% | 533 |
| 1pm–2pm | 72.9% | 3.8% | 1,095 |
| 2pm–3pm | 65.6% | 5.2% | 267 |
| 3pm–4pm | 70.5% | 4.0% | 522 |
| 4pm–5pm | 69.7% | 2.7% | 332 |
| 5pm–6pm | 56.6% | 7.4% | 1,169 |
| 6pm–7pm | 66.0% | 7.0% | 215 |
| 7pm–8pm | 66.5% | 7.1% | 912 |
| 8pm–9pm | 60.1% | 4.2% | 757 |
| 9pm–10pm | 65.0% | 5.7% | 194 |
| 10pm–11pm | Limited data | 2 | |
| 11pm–12am | Limited data | 1 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on BOS to JFK
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) | 82.3% | +3.9 pts | 0.0% | 187 |
| Christmas & New Year (Dec 20 - Jan 3) | 62.3% | -16.1 pts | 4.6% | 328 |
| Summer peak (Jun 15 - Aug 15) | 68.8% | -9.6 pts | 9.0% | 1,852 |
| All other days | 78.4% | — | 2.7% | 8,673 |
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).