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 5470 LANDED 11:47 AM PT, ~6 MIN LATE · SCHEDULED TIME UNKNOWN

OO 5470 · ORD → GEG

took off 10:20 AM CT · landed 11:47 AM PT (scheduled time unknown)
Forecast issued Tue 10:00 PM ET · 11h after departure

Odds over time

Arrive at GEG more than 15 minutes late?
33% chance · ±0 pts +11 pts · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
WEATHER FORECASTS LIVE IN THE AIR 0% 10% 20% 30% 40% 14h 12h 6h Departs Lands