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 1945 IN THE AIR (OFF 10:59 AM CT, ETA 12:52 PM CT) · SCHEDULED TIME UNKNOWN
Today

G4 1945 · FAR → BNA

took off 10:59 AM CT · expected to land 12:52 PM CT (scheduled time unknown)
Forecast issued Sun 11:00 AM ET · 1h before departure

Odds over time

Arrive at BNA more than 15 minutes late?
24% chance · ±1 pts +11 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% 1.1d 12h 6h Now Departs Lands