Ontario (ONT) to New York (JFK) flights
JetBlue flies nonstop from Ontario International Airport to John F. Kennedy International Airport, with about 7 flights a week in July 2026. The 2,429-mile flight takes about 5h 11m gate to gate.
- Distance
- 2,429 mi · 3,909 km
- Flight time
- 5h 11m
- Airlines
- 1
- Seats filled
- 82%
Airlines flying ONT to JFK
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| JetBlue | 7 | Airbus A321, Airbus A320-100/200 | 26,539 | 5h 11m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
ONT to JFK flight schedule
1 flight numbers flew this route in August 2026, 1 of them almost daily. The first usually leaves at 11:59pm and the last at 11:59pm. Times are local and can change; check with the airline before you book.
| Flight | Departs | Arrives | Days flown in August 2026 | On time (12 months) |
|---|---|---|---|---|
| B6 454JetBlue | 11:59pm | 8:20am | 31 | 63% |
Is ONT to JFK on time?
From September 2025 to August 2026, 63% of 165 flights arrived within 15 minutes of schedule and 4.2% were cancelled. Flights leaving around 10pm were the most punctual (81%), those around 11pm the least (48%). Most delay time was caused by the airline (crew, maintenance, cleaning, fuelling) (67%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| JetBlue | 165 | 63% | 71 min | 4.2% |
Airlines as sold: flights operated by regional partners count under the airline on the ticket. Average delay is across all completed flights, early arrivals counted as zero.
On-time arrivals by departure time
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 31 | 5,071 | |
| September 2025 | 30 | 4,158 | |
| October 2025 | 25 | 3,803 | |
| May 2026 | 18 | 3,221 | |
| June 2026 | 29 | 5,290 | |
| July 2026 | 29 | 4,996 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.