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 2433 LANDED 6:54 PM ET, ~16 MIN LATE · SCHEDULED TIME UNKNOWN

UA 2433 · EWR → BOS

took off 6:05 PM ET · landed 6:54 PM ET (scheduled time unknown)
Forecast issued Wed 10:00 PM ET · 4h after departure

Odds over time

Arrive at BOS more than 15 minutes late?
64% chance · ±0 pts +20 pts · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
WEATHER FORECASTS LIVE IN THE AIR 0% 25% 50% 75% 100% 1.1d 12h 6h Departs Lands