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 1901 LANDED 1:30 PM ET, ~18 MIN LATE · SCHEDULED TIME UNKNOWN

B6 1901 · BUF → JFK

took off 12:29 PM ET · landed 1:30 PM ET (scheduled time unknown)
Forecast issued Tue 10:00 PM ET · 10h after departure

Odds over time

Arrive at JFK more than 15 minutes late?
31% chance · ±0 pts +17 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% 3.1d 2d 1d 12h 6h Departs Lands