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 1870 LANDED 4:17 PM ET, ~3 MIN LATE · SCHEDULED TIME UNKNOWN
Yesterday

DL 1870 · GCM → ATL

took off · landed 4:17 PM ET (scheduled time unknown)
Forecast issued Sat 10:00 PM ET · 8h after departure

Odds over time

Arrive at ATL more than 15 minutes late?
25% chance · ±0 pts −12 pts · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
WEATHER FORECASTS LIVE IN THE AIR 0% 15% 30% 45% 60% 11h 6h Departs Lands