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.

DELTA · FLIGHT DL 141 LANDED 12:23 PM ET, ~6 MIN LATE · SCHEDULED TIME UNKNOWN

DL 141 · BRU → ATL

took off 9:54 AM CEST · landed 12:23 PM ET (scheduled time unknown)
Forecast issued Wed 10:00 PM ET · 18h after departure

Odds over time

Arrive at ATL more than 15 minutes late?
8% chance · ±0 pts +2 pts · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
WEATHER FORECASTS LIVE IN THE AIR 0% 5% 10% 15% 20% 1.0d 12h 6h Departs Lands