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 2970 LANDED 10:19 PM ET, ~6 MIN LATE · SCHEDULED TIME UNKNOWN

G4 2970 · TTN → SFB

took off 8:10 PM ET · landed 10:19 PM ET (scheduled time unknown)
Forecast issued Fri 10:00 PM ET · 2h after departure

Odds over time

Arrive at SFB more than 15 minutes late?
33% chance · ±0 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% 1h Departs Lands