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.

CAPE AIR · FLIGHT 9K 1850 LANDED 8:44 AM ET, ~8 MIN LATE · SCHEDULED TIME UNKNOWN
Today

9K 1850 · RKD → BOS

took off 7:42 AM ET · landed 8:44 AM ET (scheduled time unknown)
Forecast issued Mon 7:00 AM ET · 1h before departure

Odds over time

Arrive at BOS more than 15 minutes late?
13% chance · ±0 pts – · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
WEATHER FORECASTS LIVE IN THE AIR 0% 5% 10% 15% 20% 1.3d 1d 12h 6h Now Departs Lands