9K5221 Flight Status Cape Air: Nantucket to Boston (KAP5221)

Cape Air 9K 5221

Landed On Time

ACK Nantucket

Scheduled
17:30
Actual
17:20

Departure: Tue, Nov 3, 2026 · local time EST

Nantucket Memorial Airport (ACK)

All ACK Departures >

BOS Boston

Scheduled
18:25
Actual
18:09

Terminal: C | Gate: C27

Arrival: Tue, Nov 3, 2026 · local time EST

Boston Logan International Airport (BOS)

All BOS Arrivals >

Landed 3h 25m ago 100%

ACK 17:20 BOS 18:09

146 km (91 mi) flown

Route map ACK to BOS Map of the great-circle route from Nantucket Memorial Airport, United States to Boston Logan International Airport, United States, 146 km. The plane shows an estimated position based on departure and arrival times. Map data: Natural Earth. ACK BOS Map data: Natural Earth

Estimated position based on departure and arrival times, not live tracking. Times are local at each airport.

Add to calendar

Distance: 146 km / 91 miles · Scheduled Duration: 00:55 · Actual Duration: 00:49

9K 5221 Flight Status & Schedule Cape Air Nantucket to Boston

Date From To Departure Arrival Status Details
Nov 03 ACK BOS 17:20 18:09 Landed Track >
Nov 02 ACK BOS 17:30 18:25 Cancelled Track >
Nov 01 ACK BOS 17:32 18:18 En-Route Track >
Oct 31 ACK BOS 17:37 18:13 Landed Track >
Oct 30 ACK BOS 17:17 17:57 Landed Track >
Oct 29 ACK BOS 17:27 18:04 Landed Track >
Oct 28 ACK BOS 17:28 18:13 Landed Track >
Oct 27 ACK BOS 17:30 18:04 Landed Track >
Oct 26 ACK BOS 17:32 18:19 Landed Track >
Oct 25 ACK BOS 18:14 19:02 Delayed Track >

Cape Air flight 9K 5221 links Nantucket and Boston, 146 km (91 mi) apart, and flies daily. With 55 min in the timetable and a usual flight time of about 40 min, it often makes up time. Today it left a few minutes early and landed at 18:09, 16 minutes early.

< All Nantucket ACK Departures All Boston BOS Arrivals >

About 9K 5221

Route
Nantucket Memorial Airport ACK to Boston Logan International Airport BOS
Distance
146 km (91 mi)
Typical flight time
40 min
Flies
Daily
On time
7 of the last 8

9K 5221 FAQ

How long is the 9K5221 flight?
The timetable allows 55 min. Nantucket to Boston is 146 km (91 mi).
How often is 9K5221 late?
None of the last 8 flights arrived 15 or more minutes late and 1 was cancelled.
Which days does 9K5221 fly?
Daily: it was scheduled on each of the last 7 days.
Which terminal does 9K5221 use?
It usually arrives at Terminal C at Boston Logan International Airport (BOS). Check the flight card above for today's terminal and gate.
What other flight numbers does 9K5221 have?
Also listed as KAP5221 (Cape Air's ICAO code) and 9K 5221.

9K5221 and Nantucket ACK to Boston BOS Flights

Other flights departing from Nantucket ACK: TJ2011, C27400, A86602

Other flights arriving at Boston BOS: B61578, DL1780, YX5619, YX5725

All flights connecting Nantucket ACK to Boston BOS.