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 512 LANDED 4:38 PM ET, ~9 MIN LATE · SCHEDULED TIME UNKNOWN
Today

AA 512 · ORD → LGA

took off 1:55 PM CT · landed 4:38 PM ET (scheduled time unknown)
Forecast issued Tue 8:00 PM ET · 5h after departure

Odds over time

Arrive at LGA more than 15 minutes late?
48% chance · ±0 pts +9 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% 19h 12h 6h Departs Lands