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 2629 LANDED 3:07 PM ET, ~9 MIN LATE · SCHEDULED TIME UNKNOWN

DL 2629 · YUL → ATL

took off 12:56 PM EDT · landed 3:07 PM ET (scheduled time unknown)
Forecast issued Tue 10:00 PM ET · 9h after departure

Odds over time

Arrive at ATL more than 15 minutes late?
7% chance · ±0 pts +0 pts · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
WEATHER FORECASTS LIVE IN THE AIR 0% 3% 6% 9% 12% 10h 6h Departs Lands