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 4775 LANDED 12:40 PM ET, ~2 MIN LATE · SCHEDULED TIME UNKNOWN
Yesterday

YX 4775 · LGA → GRR

took off 10:58 AM ET · landed 12:40 PM ET (scheduled time unknown)
Forecast issued Sat 10:00 PM ET · 11h after departure

Odds over time

Arrive at GRR more than 15 minutes late?
12% chance · ±0 pts −5 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% 15h 12h 6h Departs Lands