Tracked live by the FAA, but its flight plan was first seen after takeoff, so we don't know the scheduled time and can't say whether it's late.

JETBLUE · FLIGHT B6 478 LANDED 5:09 PM ET, ~16 MIN LATE · SCHEDULED TIME UNKNOWN

B6 478 · JAX → JFK

took off 3:19 PM ET · landed 5:09 PM ET (scheduled time unknown)
Forecast issued Tue 10:00 PM ET · 7h after departure

Odds over time

Arrive at JFK more than 15 minutes late?
26% chance · ±0 pts −1 pt · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
WEATHER FORECASTS LIVE IN THE AIR 0% 10% 20% 30% 40% 13h 6h Departs Lands