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.

JETBLUE · FLIGHT B6 577 LANDED 8:53 AM PT, ~3 MIN LATE · SCHEDULED TIME UNKNOWN

B6 577 · FLL → SFO

took off 6:39 AM ET · landed 8:53 AM PT (scheduled time unknown)
Forecast issued Wed 10:00 PM ET · 15h after departure

Odds over time

Arrive at SFO more than 15 minutes late?
11% 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% 5% 10% 15% 20% 1.1d 12h 6h Departs Lands