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 1786 LANDED 9:35 PM ET, ~10 MIN LATE · SCHEDULED TIME UNKNOWN
Yesterday

B6 1786 · PIT → BOS

took off 8:15 PM ET · landed 9:35 PM ET (scheduled time unknown)
Forecast issued Tue 10:00 PM ET · 2h after departure

Odds over time

Arrive at BOS more than 15 minutes late?
69% chance · ±1 pts +11 pts · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
WEATHER FORECASTS LIVE IN THE AIR 0% 25% 50% 75% 100% 3.4d 2d 1d 12h 6h Departs Lands