No delays reported for B6 355 (JFK → ONT) as of 6:43 PM ET. It arrived on time 52.9% of the time in June-August 2026. When it was late, the average delay was 1h 21m. 7.6% of flights were cancelled. Right now there are no reported delays at JFK, ONT.
Looks on time
Next leg JFK → ONT, scheduled 7:30 PM local time. No delays at JFK right now.
Cancellation risk: Medium 7.6% of its flights were cancelled in June-August 2026.
Estimate from the schedule, live position and airport conditions, if this flight operates today. Check JetBlue for official times.
Before you fly
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Route and schedule
| Leg | Scheduled | On time |
|---|---|---|
| JFK → ONT New York, NY to Ontario, CA | 7:30 PM → 10:44 PM | 53% |
Local times. Schedules change; check your booking.
How reliable is B6 355?
| Arrived on time (within 15 min) | 52.9% |
| Average delay when late | 81 min |
| Cancelled | 7.6% |
| Diverted | 0% |
| Flights tracked | 92 |
Best and worst days to fly B6 355
B6 355 was most reliable on Fridays (67% on time) and least reliable on Mondays (43%).
| Monday | |
| Tuesday | |
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Why it runs late
| Late-arriving plane | |
| Airline (crew, maintenance) | |
| Air traffic system | |
| Extreme weather |
Share of delay minutes by cause, as reported by JetBlue to the Department of Transportation.
Live status at its airports
We show airport-wide airport status, not this flight's gate or live position. For that, check the JetBlue app.
JetBlue delays and what you're owed · Airline phone numbers
About this data
On-time history: U.S. Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, June-August 2026. Live conditions: live airport status. "On time" means arriving within 15 minutes of schedule.
Common questions
Is B6 355 delayed today?
Right now there are no reported delays at JFK, ONT. Checked 6:43 PM ET. For this flight's gate and exact status, check the JetBlue app.
Is B6 355 usually on time?
B6 355 arrived within 15 minutes of schedule 52.9% of the time in June-August 2026, with an average delay of 81 minutes when late.
How often is B6 355 cancelled?
7.6% of B6 355 flights were cancelled in June-August 2026.