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.

AMERICAN · FLIGHT AA 2856 LANDED 10:05 PM PT, ~15 MIN LATE · SCHEDULED TIME UNKNOWN

AA 2856 · ORD → SFO

took off 7:52 PM CT · landed 10:05 PM PT (scheduled time unknown)
Forecast issued Tue 10:00 PM ET · 1h after departure

Odds over time

Arrive at SFO more than 15 minutes late?
50% chance · ±1 pts +7 pts · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
WEATHER FORECASTS LIVE IN THE AIR 0% 20% 40% 60% 80% 1.0d 12h 6h Departs Lands