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 5381 SCHEDULED · SCHEDULED TIME UNKNOWN

Monday, October 12 Today

9K 5381 · ACK → BOS

departs 6:40 PM ET · arrives 7:12 PM ET

Your aircraft is KAP5573 (C402).

Forecast issued Mon 4:00 PM ET · 3h before departure

Arrive at BOS more than 15 minutes late?

86% chance · ±0 pts – · 24h

HOW SURE WE ARE High. The odds now come mostly from live FAA and airport data.

What’s moving the odds

↑ Arrivals into BOS at that hour are often late

↑ This route's recent record

↑ Later flights pick up delays from earlier in the day

↓ ACK is quiet at that time

↓ ACK usually runs smoothly

Weather at each end

ACK (origin) Gusts30 kt Ceiling200 ft Visibility0.25 mi Precip0.25 in

BOS (destination) Gusts18 kt Ceiling400 ft Visibility2.5 mi Precip0.31 in

How this resolves

Yes if the gate arrival is more than 15 minutes after the scheduled arrival. Cancelled or diverted flights resolve N/A.

Every question here is display only — there is no betting or money involved. Gate times come from the airline; a cancellation resolves only the “Cancelled?” question, and a diversion voids the delay questions.

9K 5381 · ACK → BOS

Odds over time