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 2939 LANDED 8:10 PM ET, ~14 MIN LATE · SCHEDULED TIME UNKNOWN
Yesterday

G4 2939 · LEX → SFB

took off 6:32 PM ET · landed 8:10 PM ET (scheduled time unknown)
Forecast issued Sat 10:00 PM ET · 3h after departure

Odds over time

Arrive at SFB more than 15 minutes late?
60% chance · ±0 pts – · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
LIVE IN THE AIR 0% 25% 50% 75% 100% 2h Departs Lands