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 2623 LANDED 10:50 AM PT, ~6 MIN LATE · SCHEDULED TIME UNKNOWN

UA 2623 · RDU → SFO

took off 8:54 AM ET · landed 10:50 AM PT (scheduled time unknown)
Forecast issued Tue 10:00 PM ET · 13h after departure

Odds over time

Arrive at SFO more than 15 minutes late?
15% chance · ±0 pts +3 pts · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
WEATHER FORECASTS LIVE IN THE AIR 0% 10% 20% 30% 40% 18h 12h 6h Departs Lands