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 676 LANDED 7:52 AM ET, ~23 MIN LATE · SCHEDULED TIME UNKNOWN

DL 676 · LAX → JFK

took off 12:14 AM PT · landed 7:52 AM ET (scheduled time unknown)
Forecast issued Tue 10:00 PM ET · 19h after departure

Odds over time

Arrive at JFK more than 15 minutes late?
16% chance · ±0 pts −1 pt · 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