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.

UNITED · FLIGHT UA 17 LANDED 1:04 PM ET, ~14 MIN LATE · SCHEDULED TIME UNKNOWN

UA 17 · LHR → EWR

took off 10:48 AM BST · landed 1:04 PM ET (scheduled time unknown)
Forecast issued Wed 10:00 PM ET · 16h after departure

Odds over time

Arrive at EWR more than 15 minutes late?
16% chance · ±0 pts +0 pts · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
WEATHER FORECASTS LIVE IN THE AIR 0% 5% 10% 15% 20% 1.0d 12h 6h Departs Lands