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.

AMERICAN · FLIGHT AA 2899 LANDED 5:39 PM ET, ~16 MIN LATE · SCHEDULED TIME UNKNOWN

AA 2899 · MIA → JFK

took off 3:21 PM ET · landed 5:39 PM ET (scheduled time unknown)
Forecast issued Tue 10:00 PM ET · 6h after departure

Odds over time

Arrive at JFK more than 15 minutes late?
51% chance · ±0 pts +4 pts · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
WEATHER FORECASTS LIVE IN THE AIR 0% 25% 50% 75% 100% 20h 12h 6h Departs Lands