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.

HORIZON · FLIGHT QX 2125 LANDED 8:54 PM PT, ~12 MIN LATE · SCHEDULED TIME UNKNOWN
Yesterday

QX 2125 · SEA → PDX

took off 8:20 PM PT · landed 8:54 PM PT (scheduled time unknown)
Forecast issued Tue 10:00 PM ET · 1h before departure

Odds over time

Arrive at PDX more than 15 minutes late?
33% chance · ±1 pts +9 pts · 24h
HOW SURE WE ARE High. The odds now come mostly from live FAA and airport data.
WEATHER FORECASTS LIVE IN THE AIR 0% 10% 20% 30% 40% 1.1d 12h 6h Now Departs