No delays reported for B6 504 (SJU → JFK) as of 6:43 PM ET. It arrived on time 56.1% of the time in June-August 2026. When it was late, the average delay was 1h 2m. 8.9% of flights were cancelled. Right now there are no reported delays at SJU, JFK.
High cancellation risk
Next leg SJU → JFK, scheduled 8:10 PM local time. No delays at SJU right now. Line up a backup option.
8.9% 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.
Book a backup seat SJU → JFKThis flight is cancelled often; a refundable backup costs little
What to do now
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Route and schedule
| Leg | Scheduled | On time |
|---|---|---|
| SJU → JFK San Juan, PR to New York, NY | 8:10 PM → 12:07 AM | 56% |
Local times. Schedules change; check your booking.
How reliable is B6 504?
| Arrived on time (within 15 min) | 56.1% |
| Average delay when late | 62 min |
| Cancelled | 8.9% |
| Diverted | 0% |
| Flights tracked | 90 |
Best and worst days to fly B6 504
B6 504 was most reliable on Thursdays (73% on time) and least reliable on Saturdays (45%).
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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.
Other flights SJU → JFK
All flights on this route, ranked
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 504 delayed today?
Right now there are no reported delays at SJU, JFK. Checked 6:43 PM ET. For this flight's gate and exact status, check the JetBlue app.
Is B6 504 usually on time?
B6 504 arrived within 15 minutes of schedule 56.1% of the time in June-August 2026, with an average delay of 62 minutes when late.
How often is B6 504 cancelled?
8.9% of B6 504 flights were cancelled in June-August 2026.