Best Time to Fly JFK to ROC: On-Time Stats by Hour & Airline
John F. Kennedy International → Frederick Douglass Grtr Rochester International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 70.1% of New York (JFK) to Rochester (ROC) flights arrived on time (606 scheduled flights). That is 7.5 points below the national average of 77.6%.
JetBlue was the only reporting airline with regular flights on this route.
Over 24 months, Wednesday was the most reliable day (77% on time) and July the worst month (52%).
The cancellation rate was 4.8% (US average 1.8%).
JFK to ROC 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 | 70.1% | 72 min | 4.8% | 606 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly JFK to ROC
On-time arrival % by scheduled departure hour (local time), 1,927 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 7am–8am | 89.6% | 1.3% | 78 |
| 8am–9am | Limited data | 24 | |
| 9am–10am | 74.7% | 1.6% | 182 |
| 10am–11am | 86.3% | 0.0% | 263 |
| 11am–12pm | 79.4% | 0.0% | 34 |
| 12pm–1pm | Limited data | 9 | |
| 1pm–2pm | 58.0% | 2.8% | 142 |
| 2pm–3pm | 76.6% | 1.3% | 78 |
| 3pm–4pm | Limited data | 9 | |
| 4pm–5pm | 69.6% | 0.0% | 46 |
| 5pm–6pm | 83.7% | 10.3% | 116 |
| 6pm–7pm | Limited data | 4 | |
| 7pm–8pm | Limited data | 3 | |
| 8pm–9pm | 67.7% | 0.0% | 34 |
| 9pm–10pm | 60.0% | 3.5% | 460 |
| 10pm–11pm | 67.8% | 5.6% | 444 |
| 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 JFK to ROC
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% | -4.5 pts | 0.0% | 45 |
| Christmas & New Year (Dec 20 - Jan 3) | 68.8% | -4.6 pts | 3.0% | 66 |
| Summer peak (Jun 15 - Aug 15) | 59.3% | -14.1 pts | 11.3% | 291 |
| All other days | 73.4% | — | 1.8% | 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).