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.

UNITED · FLIGHT UA 1796 LANDED 7:22 AM ET, ~24 MIN LATE · SCHEDULED TIME UNKNOWN
Today

UA 1796 · DTW → IAD

took off 6:16 AM ET · landed 7:22 AM ET (scheduled time unknown)
Forecast issued Sat 2:00 PM ET · 8h after departure

Odds over time

Arrive at IAD more than 15 minutes late?
15% 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% 4h Departs Lands