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.

ALLEGIANT · FLIGHT G4 3215 LANDED 6:02 PM MT, ~13 MIN LATE · SCHEDULED TIME UNKNOWN

G4 3215 · IWA → PVU

took off 1:53 AM MSK · landed 6:02 PM MT (scheduled time unknown)
Forecast issued Tue 10:00 PM ET · 27h after departure

Odds over time

Arrive at PVU more than 15 minutes late?
16% chance · ±0 pts −2 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% 4h Departs Lands