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.

GOJET · FLIGHT G7 4189 LANDED 12:35 AM ET, ~12 MIN LATE · SCHEDULED TIME UNKNOWN
Today

G7 4189 · ORF → IAD

took off 12:01 AM ET · landed 12:35 AM ET (scheduled time unknown)
Forecast issued Sat 8:00 PM ET · 20h after departure

Odds over time

Arrive at IAD more than 15 minutes late?
15% chance · ±0 pts −20 pts · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
LIVE IN THE AIR 0% 15% 30% 45% 60% 1h Departs