Best Time to Fly ROC to JFK: On-Time Stats by Hour & Airline
Frederick Douglass Grtr Rochester International → John F. Kennedy International
Data through July 2026 · Last updated October 18, 2026
606 flights were scheduled from Rochester (ROC) to New York (JFK) in the last 12 months, and 83.7% of those that flew arrived on time, 6.1 points above the US average of 77.6%.
JetBlue was the only reporting airline with regular flights on this route.
April has been the best month (97% on time) and Sunday the weakest day of the week (73%).
4.8% of flights were cancelled, versus 1.8% nationally.
ROC 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 | 83.7% | 75 min | 4.8% | 606 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly ROC to JFK
On-time arrival % by scheduled departure hour (local time), 1,927 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 89.4% | 2.9% | 243 |
| 6am–7am | 85.1% | 3.5% | 620 |
| 7am–8am | 92.1% | 2.6% | 78 |
| 9am–10am | 81.8% | 1.3% | 78 |
| 10am–11am | Limited data | 22 | |
| 11am–12pm | 63.5% | 1.2% | 86 |
| 12pm–1pm | 75.6% | 2.1% | 331 |
| 1pm–2pm | 82.2% | 0.0% | 74 |
| 2pm–3pm | Limited data | 2 | |
| 3pm–4pm | 42.5% | 7.8% | 51 |
| 4pm–5pm | 62.1% | 2.9% | 136 |
| 5pm–6pm | 78.0% | 4.7% | 43 |
| 6pm–7pm | 86.4% | 5.4% | 148 |
| 7pm–8pm | Limited data | 1 | |
| 8pm–9pm | Limited data | 14 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on ROC 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) | 68.9% | -12.5 pts | 0.0% | 45 |
| Christmas & New Year (Dec 20 - Jan 3) | 70.3% | -11.1 pts | 3.0% | 66 |
| Summer peak (Jun 15 - Aug 15) | 79.0% | -2.5 pts | 11.7% | 291 |
| All other days | 81.4% | — | 1.7% | 1,525 |
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).