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.

DELTA · FLIGHT DL 1219 LANDED 9:16 PM MT, ~9 MIN LATE · SCHEDULED TIME UNKNOWN

DL 1219 · GEG → SLC

took off 7:03 PM PT · landed 9:16 PM MT (scheduled time unknown)
Forecast issued Fri 10:00 PM ET · 0h before departure

Odds over time

Arrive at SLC more than 15 minutes late?
16% chance · ±0 pts – · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
LIVE IN THE AIR 0% 10% 20% 30% 40% 2h Departs Lands