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 3798 LANDED 7:37 PM MT, ~5 MIN LATE · SCHEDULED TIME UNKNOWN
Yesterday

OO 3798 · GPI → SLC

took off 7:12 PM -05 · landed 7:37 PM MT (scheduled time unknown)
Forecast issued Tue 10:00 PM ET · 2h after departure

Odds over time

Arrive at SLC more than 15 minutes late?
11% chance · ±1 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% 5% 10% 15% 20% 1.0d 12h 6h Departs Lands