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 1856 IN THE AIR (OFF 5:57 PM ET, ETA 6:58 PM ET) · SCHEDULED TIME UNKNOWN
Today

9K 1856 · RKD → BOS

took off 5:57 PM ET · expected to land 6:58 PM ET (scheduled time unknown)
Forecast issued Mon 4:00 PM ET · 1h before departure

Odds over time

Arrive at BOS more than 15 minutes late?
39% chance · ±2 pts +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% 20% 40% 60% 80% 20h 12h 6h Now Departs Lands