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 217 SCHEDULED · SCHEDULED TIME UNKNOWN
Today

9K 217 · BOS → ISP

departs 6:28 PM ET · arrives 7:37 PM ET
Your aircraft is N890CA (C402), coming in as 9K 214 from ISP: still at ISP, due off about 12:40 PM ET, 278 min before departure.
Forecast issued Tue 11:00 PM ET · 20h before departure

Odds over time

Arrive at ISP more than 15 minutes late?
11% chance · ±1 pts – · 24h
HOW SURE WE ARE Good. The odds now lean mostly on firmed-up weather forecasts.
WEATHER FORECASTS LIVE IN THE AIR 0% 5% 10% 15% 20% Now 12h 6h Departs Lands