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 1860 LANDED 7:33 PM ET, ~6 MIN LATE · SCHEDULED TIME UNKNOWN

B6 1860 · PHL → BOS

took off 6:46 PM ET · landed 7:33 PM ET (scheduled time unknown)
Forecast issued Tue 10:00 PM ET · 3h after departure

Odds over time

Arrive at BOS more than 15 minutes late?
64% chance · ±0 pts +12 pts · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
WEATHER FORECASTS LIVE IN THE AIR 0% 20% 40% 60% 80% 1.2d 1d 12h 6h Departs Lands