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.

ENDEAVOR · FLIGHT 9E 5254 LANDED 1:21 PM ET, ~7 MIN LATE · SCHEDULED TIME UNKNOWN
Today

9E 5254 · BGR → LGA

took off 12:09 PM ET · landed 1:21 PM ET (scheduled time unknown)
Forecast issued Mon 9:00 PM ET · 9h after departure

Odds over time

Arrive at LGA more than 15 minutes late?
48% chance · ±0 pts – · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
LIVE IN THE AIR 0% 15% 30% 45% 60% 1h Departs Lands