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 1597 LANDED 7:00 PM MT, ~13 MIN LATE · SCHEDULED TIME UNKNOWN
Yesterday

G4 1597 · IWA → PVU

took off 3:48 AM MSK · landed 7:00 PM MT (scheduled time unknown)
Forecast issued Fri 10:00 PM ET · 26h after departure

Odds over time

Arrive at PVU more than 15 minutes late?
25% chance · ±0 pts +6 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% 2h Departs Lands