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 1601 IN THE AIR (OFF 11:15 PM MSK, ETA 2:24 PM MT) · SCHEDULED TIME UNKNOWN
Yesterday

G4 1601 · IWA → PVU

took off 11:15 PM MSK · expected to land 2:24 PM MT (scheduled time unknown)
Forecast issued Sat 3:00 PM ET · 0h before departure

Odds over time

Arrive at PVU more than 15 minutes late?
30% chance · ±0 pts – · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
LIVE IN THE AIR 0% 15% 30% 45% 60% 4h Now Departs Lands