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 4760 LANDED 6:05 PM PT, ~5 MIN LATE · SCHEDULED TIME UNKNOWN
Today

OO 4760 · SFO → GEG

took off 4:27 PM PT · landed 6:05 PM PT (scheduled time unknown)
Forecast issued Tue 9:00 PM ET · 2h after departure

Odds over time

Arrive at GEG more than 15 minutes late?
30% chance · ±0 pts +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% 10% 20% 30% 40% 1.1d 12h 6h Departs Lands