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.

SKYWEST · FLIGHT OO 4786 SCHEDULED · SCHEDULED TIME UNKNOWN
Today

OO 4786 · PSP → SFO

departs 10:51 AM PT · arrives 12:04 PM PT
Your aircraft is N635SY (E75L), coming in as OO 6002 from DEN: landed 9:59 PM PT.
Forecast issued Sat 1:00 PM ET · 1h before departure

Odds over time

Arrive at SFO more than 15 minutes late?
68% chance · ±5 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% 12h 6h Now Departs Lands