Best Time to Fly BUF to JFK: On-Time Stats by Hour & Airline
Buffalo Niagara International → John F. Kennedy International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 77.3% of Buffalo (BUF) to New York (JFK) flights arrived on time (1,217 scheduled flights). That is in line with the national average of 77.6%.
JetBlue was the only reporting airline with regular flights on this route.
October has been the best month (88% on time) and Thursday the weakest day of the week (73%).
5.6% of flights were cancelled, versus 1.8% nationally.
BUF 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 |
|---|---|---|---|---|
| JetBlue | 77.3% | 91 min | 5.6% | 1,217 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly BUF to JFK
On-time arrival % by scheduled departure hour (local time), 3,183 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 91.2% | 2.0% | 150 |
| 6am–7am | 87.0% | 4.0% | 402 |
| 7am–8am | 85.1% | 2.4% | 378 |
| 8am–9am | 84.0% | 0.0% | 94 |
| 9am–10am | 82.8% | 1.9% | 214 |
| 10am–11am | 81.0% | 5.4% | 129 |
| 11am–12pm | 76.4% | 1.7% | 350 |
| 12pm–1pm | 80.1% | 2.5% | 196 |
| 1pm–2pm | 88.6% | 0.0% | 36 |
| 2pm–3pm | Limited data | 29 | |
| 3pm–4pm | 74.7% | 4.5% | 269 |
| 4pm–5pm | 69.1% | 3.5% | 171 |
| 5pm–6pm | 58.6% | 6.5% | 93 |
| 6pm–7pm | 88.6% | 1.4% | 71 |
| 7pm–8pm | 70.0% | 8.6% | 432 |
| 8pm–9pm | 64.0% | 4.7% | 169 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on BUF 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) | 73.0% | -7.8 pts | 1.3% | 75 |
| Christmas & New Year (Dec 20 - Jan 3) | 59.8% | -21.0 pts | 7.6% | 105 |
| Summer peak (Jun 15 - Aug 15) | 71.0% | -9.8 pts | 12.1% | 547 |
| All other days | 80.8% | — | 1.9% | 2,456 |
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).