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.

DELTA · FLIGHT DL 2321 LANDED 9:50 PM ET, ~8 MIN LATE · SCHEDULED TIME UNKNOWN
Yesterday

DL 2321 · FLL → LGA

took off 7:33 PM ET · landed 9:50 PM ET (scheduled time unknown)
Forecast issued Tue 10:00 PM ET · 2h after departure

Odds over time

Arrive at LGA more than 15 minutes late?
50% chance · ±3 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% 20% 40% 60% 80% 1.1d 12h 6h Departs Lands