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 5503 LANDED 5:11 PM PT, ~10 MIN LATE · SCHEDULED TIME UNKNOWN
Today

OO 5503 · EUG → SFO

took off 4:01 PM PT · landed 5:11 PM PT (scheduled time unknown)
Forecast issued Tue 10:00 PM ET · 3h after departure

Odds over time

Arrive at SFO more than 15 minutes late?
34% chance · ±0 pts +4 pts · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
WEATHER FORECASTS LIVE IN THE AIR 0% 15% 30% 45% 60% 1.0d 12h 6h Departs Lands