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 1952 LANDED 2:54 AM ET, ~26 MIN EARLY · SCHEDULED TIME UNKNOWN
Today

B6 1952 · MCO → BOS

took off 12:38 AM ET · landed 2:54 AM ET (scheduled time unknown)
Forecast issued Mon 6:00 PM ET · 17h after departure

Odds over time

Arrive at BOS more than 15 minutes late?
26% chance · ±0 pts −25 pts · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
LIVE IN THE AIR 0% 25% 50% 75% 100% 6h Departs Lands