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 657 LANDED 7:36 PM ET, ~6 MIN LATE · SCHEDULED TIME UNKNOWN

G4 657 · IWA → FWA

took off 11:36 PM MSK · landed 7:36 PM ET (scheduled time unknown)
Forecast issued Wed 10:00 PM ET · 5h after departure

Odds over time

Arrive at FWA more than 15 minutes late?
25% chance · ±1 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% 4h Departs Lands