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.

JETBLUE · FLIGHT B6 819 LANDED 7:02 PM ET, ~14 MIN LATE · SCHEDULED TIME UNKNOWN
Yesterday

B6 819 · DTW → JFK

took off 5:47 PM ET · landed 7:02 PM ET (scheduled time unknown)
Forecast issued Sat 10:00 PM ET · 4h after departure

Odds over time

Arrive at JFK more than 15 minutes late?
30% chance · ±2 pts – · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
LIVE IN THE AIR 0% 15% 30% 45% 60% 5h Departs Lands