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 605 LANDED 11:33 AM ET, ~7 MIN LATE · SCHEDULED TIME UNKNOWN

AA 605 · MIA → LGA

took off 9:12 AM ET · landed 11:33 AM ET (scheduled time unknown)
Forecast issued Tue 10:00 PM ET · 13h after departure

Odds over time

Arrive at LGA more than 15 minutes late?
31% 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% 15% 30% 45% 60% 18h 12h 6h Departs Lands