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 2722 LANDED 2:51 PM ET, ~9 MIN LATE · SCHEDULED TIME UNKNOWN
Today

G4 2722 · PIE → GSP

took off 1:39 PM ET · landed 2:51 PM ET (scheduled time unknown)
Forecast issued Mon 3:00 PM ET · 1h after departure

Odds over time

Arrive at GSP more than 15 minutes late?
33% chance · ±0 pts +6 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% 1.0d 12h 6h Departs Lands