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 21 SCHEDULED · TYPICAL SCHEDULE

B6 21 · BOS → PBI

departs 9:02 AM ET · arrives 12:18 PM ET
Forecast issued Tue 5:00 PM ET · 64h before departure

Odds over time

Arrive at PBI more than 15 minutes late?
26% chance · ±6 pts −2 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% 3.5d Now 2d 1d 12h 6h Departs Lands

How late will it get to PBI?

  1. On time or early
    73%
  2. 15–30 min late
    11%
  3. 30 min–1 hour late
    6%
  4. 1–2 hours late
    6%
  5. Over 2 hours late
    3%
  6. Cancelled
    <1%

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