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 138 LANDED 11:08 PM PT, ~17 MIN LATE · SCHEDULED TIME UNKNOWN

G4 138 · SHV → LAS

took off 10:25 PM CT · landed 11:08 PM PT (scheduled time unknown)
Forecast issued Fri 10:00 PM ET · 1h before departure

Odds over time

Arrive at LAS more than 15 minutes late?
28% chance · ±1 pts – · 24h
HOW SURE WE ARE High. The odds now come mostly from live FAA and airport data.
LIVE IN THE AIR 0% 10% 20% 30% 40% 2h Now Departs Lands