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.

REPUBLIC · FLIGHT YX 4500 LANDED 4:19 PM ET, ~20 MIN LATE · SCHEDULED TIME UNKNOWN

YX 4500 · YHZ → LGA

took off 3:38 PM ADT · landed 4:19 PM ET (scheduled time unknown)
Forecast issued Wed 10:00 PM ET · 7h after departure

Odds over time

Arrive at LGA more than 15 minutes late?
28% chance · ±0 pts +13 pts · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
WEATHER FORECASTS LIVE IN THE AIR 0% 10% 20% 30% 40% 1.1d 12h 6h Departs Lands