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 87 SCHEDULED · SCHEDULED TIME UNKNOWN
Today

9K 87 · BOS → ACK

departs 11:15 AM ET · arrives 11:53 AM ET
Your aircraft is N57PB (C402), coming in as 9K 1008 from AUG: still at AUG, due off about 9:08 AM ET, 66 min before departure.
Forecast issued Sun 6:00 AM ET · 5h before departure

Odds over time

Arrive at ACK more than 15 minutes late?
14% chance · ±0 pts – · 24h
HOW SURE WE ARE High. The odds now come mostly from live FAA and airport data.
WEATHER FORECASTS LIVE IN THE AIR 0% 10% 20% 30% 40% 14h 12h 6h Now Departs Lands