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 627 IN THE AIR (OFF 10:48 AM ET, ETA 12:38 PM ET) · SCHEDULED TIME UNKNOWN
Today

G4 627 · SFB → IND

took off 10:48 AM ET · expected to land 12:38 PM ET (scheduled time unknown)
Forecast issued Sat 11:00 AM ET · 0h before departure

Odds over time

Arrive at IND more than 15 minutes late?
26% chance · ±3 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% 3h Departs Lands