9K 321 Hyannis to Islip Flight Status

Cape Air Flight 9K321 from Hyannis Barnstable Municipal Airport HYA to Islip Long Island MacArthur Airport ISP is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on May 6th, 2026.
Check the table below for 9K321's most recent flight history:

9K 321 Flight Status & Schedule

Date Departure Arrival Status
May 06 08:00 09:05
Unknown
Track >

Cape Air 9K 321 Hyannis to Islip Flight Information

Cape Air Flight 9K321 connects Hyannis, United States to Islip, United States, taking off from Hyannis Barnstable Municipal Airport HYA and landing at Islip Long Island MacArthur Airport ISP.

What is the On-Time Performance (OTP) of Cape Air Flight 9K321 Hyannis to Islip?

The Airportia On-Time Performance Rating for Cape Air Flight 9K321 is 5/5 stars. This metric is calculated using data from the past 10 flights.

When was the latest 9K321 flight?

The latest flight took off on Wednesday, May 6th, 2026 with the flight status being Unknown on 09:05.

How else can the flight 9K321 be referenced as?

This Cape Air flight can also be referenced as KAP321, 9K0321, 9K 321, KAP 321.

How often is flight 9K321 delayed?

On average, 100% of all 9K321 flights are delayed. The average delay is 3 minutes.

Can I get compensation for my delayed or cancelled 9K321 flight or baggage issues?

If your 9K321 flight was cancelled, delayed, or if you experienced baggage issues such as delayed, damaged, or lost bags, you may be entitled to compensation. Compensation amounts and eligibility depend on various regulations, including EC 261/2004, UK261, CA Montreal Convention, US GoodWill, BR-ANAC, SA-GACA and TK-SHY.

See our 9K321 Flight Tracker above for more details.

9K321 and Hyannis HYA to Islip ISP Flights

Other flights departing from Hyannis HYA: 9K758, 9K10, 1L279, B65108

Other flights arriving at Islip ISP: F99415, 9K902, MX744, TJ928

All flights connecting Hyannis HYA to Islip ISP.

9K321 Cape Air Flight: Hyannis to Islip Route Map

Flight Delay Compensation up to 600€/$: Claim for delay, cancellation, or baggage issues >
Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.