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 4730 LANDED 3:09 PM ET, ~8 MIN LATE · SCHEDULED TIME UNKNOWN
Yesterday

YX 4730 · DCA → LGA

took off 2:28 PM ET · landed 3:09 PM ET (scheduled time unknown)
Forecast issued Sat 10:00 PM ET · 8h after departure

Odds over time

Arrive at LGA more than 15 minutes late?
41% chance · ±0 pts +25 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% 16h 12h 6h Departs Lands