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.

EMIRATES · FLIGHT EK 231 PROBABLY LANDED (THE FAA HASN'T CONFIRMED THE LANDING TIME) · SCHEDULED TIME UNKNOWN
Yesterday

EK 231 · DXB → IAD

took off 2:49 AM +04 · probably landed (not confirmed) (scheduled time unknown)
Forecast issued Mon 10:00 PM ET · 27h after departure

Odds over time

Arrive at IAD more than 15 minutes late?
22% chance · ±0 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% 1h Departs Lands