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.

SUN COUNTRY · FLIGHT SY 3037 IN THE AIR (OFF 2:12 PM PT, ETA 4:08 PM PT) · SCHEDULED TIME UNKNOWN
Today

SY 3037 · SBD → GEG

took off 2:12 PM PT · expected to land 4:08 PM PT (scheduled time unknown)
Forecast issued Mon 5:00 PM ET · 0h before departure

Odds over time

Arrive at GEG more than 15 minutes late?
19% chance · ±1 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% 3h Now Departs Lands