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 363 LANDED 12:27 AM ET, ~17 MIN LATE · SCHEDULED TIME UNKNOWN
Yesterday

DL 363 · SFO → JFK

took off 4:20 PM PT · landed 12:27 AM ET (scheduled time unknown)
Forecast issued Tue 10:00 PM ET · 2h after departure

Odds over time

Arrive at JFK more than 15 minutes late?
19% chance · ±0 pts +3 pts · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
WEATHER FORECASTS LIVE IN THE AIR 0% 10% 20% 30% 40% 1.1d 12h 6h Departs Now Lands