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 104 LANDED 1:06 AM PT, ~12 MIN LATE · SCHEDULED TIME UNKNOWN
Today

G4 104 · SGF → LAS

took off 12:22 AM CT · landed 1:06 AM PT (scheduled time unknown)
Forecast issued Tue 7:00 PM ET · 18h after departure

Odds over time

Arrive at LAS more than 15 minutes late?
12% chance · ±0 pts – · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
LIVE IN THE AIR 0% 5% 10% 15% 20% 1h Departs Lands