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 307 LANDED 6:57 AM ET, ~8 MIN LATE · SCHEDULED TIME UNKNOWN
Today

B6 307 · PWM → JFK

took off 6:08 AM ET · landed 6:57 AM ET (scheduled time unknown)
Forecast issued Tue 9:00 PM ET · 15h after departure

Odds over time

Arrive at JFK more than 15 minutes late?
14% chance · ±0 pts – · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
LIVE IN THE AIR 0% 5% 10% 15% 20% 2h Departs Lands