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 480 SCHEDULED · SCHEDULED TIME UNKNOWN
Today

9K 480 · BOS → SLK

departs 9:58 AM ET · arrives 11:39 AM ET
Forecast issued Tue 2:00 AM ET · 8h before departure

Odds over time

Arrive at SLK more than 15 minutes late?
12% chance · ±0 pts +4 pts · 24h
HOW SURE WE ARE Good. The odds now lean mostly on firmed-up weather forecasts.
MOSTLY HISTORY WEATHER FORECASTS LIVE IN THE AIR 0% 10% 20% 30% 40% 6.4d 2d 1d 12h Now Departs Lands