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.

ENDEAVOR · FLIGHT 9E 5483 LANDED 2:07 PM ET, ~11 MIN LATE · SCHEDULED TIME UNKNOWN

9E 5483 · JAX → JFK

took off 12:18 PM ET · landed 2:07 PM ET (scheduled time unknown)
Forecast issued Tue 10:00 PM ET · 10h after departure

Odds over time

Arrive at JFK more than 15 minutes late?
30% chance · ±0 pts +5 pts · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
LIVE IN THE AIR 0% 10% 20% 30% 40% 9h 6h Departs Lands