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 980 LANDED 3:06 AM ET, ON TIME · SCHEDULED TIME UNKNOWN

DL 980 · MIA → ATL

took off 1:46 AM ET · landed 3:06 AM ET (scheduled time unknown)
Forecast issued Wed 10:00 PM ET · 20h after departure

Odds over time

Arrive at ATL more than 15 minutes late?
21% chance · ±0 pts +5 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% 5h Departs Lands