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 1075 LANDED 9:54 PM ET, ~6 MIN LATE · SCHEDULED TIME UNKNOWN

G4 1075 · PIE → TYS

took off 8:38 PM ET · landed 9:54 PM ET (scheduled time unknown)
Forecast issued Fri 10:00 PM ET · 1h after departure

Odds over time

Arrive at TYS more than 15 minutes late?
28% chance · ±0 pts +15 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% 3.9d 2d 1d 12h 6h Departs Lands