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 2341 LANDED 10:44 PM PT, ~38 MIN LATE · SCHEDULED TIME UNKNOWN
Yesterday

UA 2341 · IAH → SEA

took off 8:44 PM CT · landed 10:44 PM PT (scheduled time unknown)
Forecast issued Fri 10:00 PM ET · 0h before departure

Odds over time

Arrive at SEA more than 15 minutes late?
37% 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