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 2 LANDED 2:06 PM ET, ~10 MIN LATE · SCHEDULED TIME UNKNOWN

DL 2 · LHR → JFK

took off 12:01 PM BST · landed 2:06 PM ET (scheduled time unknown)
Forecast issued Tue 10:00 PM ET · 15h after departure

Odds over time

Arrive at JFK more than 15 minutes late?
9% chance · ±0 pts +0 pts · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
LIVE IN THE AIR 0% 3% 6% 9% 12% 4h Departs Lands