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.

UNITED · FLIGHT UA 1812 LANDED 6:32 PM PT, ~3 MIN LATE · SCHEDULED TIME UNKNOWN

UA 1812 · SFO → PDX

took off 5:17 PM PT · landed 6:32 PM PT (scheduled time unknown)
Forecast issued Fri 10:00 PM ET · 2h after departure

Odds over time

Arrive at PDX more than 15 minutes late?
35% chance · ±1 pts – · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
LIVE IN THE AIR 0% 15% 30% 45% 60% 1h Departs Lands