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 1854 LANDED 1:01 PM ET, ~7 MIN LATE · SCHEDULED TIME UNKNOWN
Today

9K 1854 · RKD → BOS

took off 12:02 PM ET · landed 1:01 PM ET (scheduled time unknown)
Forecast issued Tue 7:00 PM ET · 7h after departure

Odds over time

Arrive at BOS more than 15 minutes late?
16% chance · ±2 pts – · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
LIVE IN THE AIR 0% 10% 20% 30% 40% 4h Departs Lands