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 307 LANDED 10:57 PM ET, ~10 MIN LATE · SCHEDULED TIME UNKNOWN
Yesterday

AA 307 · LAX → JFK

took off 3:05 PM PT · landed 10:57 PM ET (scheduled time unknown)
Forecast issued Tue 10:00 PM ET · 4h after departure

Odds over time

Arrive at JFK more than 15 minutes late?
37% chance · ±2 pts +14 pts · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
WEATHER FORECASTS LIVE IN THE AIR 0% 15% 30% 45% 60% 2.9d 2d 1d 12h 6h Departs Lands