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 3817 LANDED 4:34 PM MT, ~8 MIN LATE · SCHEDULED TIME UNKNOWN
Today

OO 3817 · EUG → SLC

took off 1:58 PM PT · landed 4:34 PM MT (scheduled time unknown)
Forecast issued Tue 10:00 PM ET · 5h after departure

Odds over time

Arrive at SLC more than 15 minutes late?
12% chance · ±0 pts −2 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