Schedule: a typical Friday (the flights of Jul 31, 2026, re-dated). Real flights replace these once the FAA publishes them, usually about a day ahead.

JETBLUE · FLIGHT B6 435 SCHEDULED · TYPICAL SCHEDULE

B6 435 · STT → SJU

departs 3:59 PM AST · arrives 4:41 PM AT
Forecast issued Wed 6:00 PM ET · 46h before departure

Odds over time

Arrive at SJU more than 15 minutes late?
32% chance · ±3 pts +5 pts · 24h
HOW SURE WE ARE Moderate. The odds now blend history with early weather forecasts.
WEATHER FORECASTS LIVE IN THE AIR 0% 10% 20% 30% 40% 3.7d Now 1d 12h 6h Departs Lands

How late will it get to SJU?

  1. On time or early
    67%
  2. 15–30 min late
    5%
  3. 30 min–1 hour late
    14%
  4. 1–2 hours late
    9%
  5. Over 2 hours late
    4%
  6. Cancelled
    1%

Gate arrival compared with the scheduled arrival. The ranges add up to 100%.