| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jun 14 | ACK | BOS | 17:52 | 18:40 |
Landed
|
Track > |
| Jun 13 | ACK | BOS | 17:58 | 18:32 |
Landed
|
Track > |
| Jun 12 | ACK | BOS | 17:33 | 18:13 |
Landed
|
Track > |
| Jun 07 | ACK | BOS | 17:27 | 18:03 |
Landed
|
Track > |
| Jun 06 | ACK | BOS | 17:52 | 18:43 |
Landed Late
|
Track > |
| Jun 05 | ACK | BOS | 17:25 | 17:59 |
Landed
|
Track > |
| Jun 04 | ACK | BOS | 17:31 | 18:13 |
Landed
|
Track > |
| Jun 03 | ACK | BOS | 17:35 | 18:30 |
En-Route
|
Track > |
| Jun 02 | ACK | BOS | 17:34 | 18:10 |
Landed
|
Track > |
| Jun 01 | ACK | BOS | 17:24 | 18:04 |
Landed
|
Track > |
Cape Air Flight 9K5221 connects Nantucket, United States to Boston, United States, taking off from Nantucket Memorial Airport ACK and landing at Boston Logan International Airport BOS.
How long is the 9K5221 flight from Nantucket to Boston?
The average flight time from Nantucket to Boston is 40 minutes. The flight distance is 146 km / 91 miles and the average flight speed is 215 km/h / 134 mph.
How many 9K5221 flights are operated per week?
3 flights per week. The flight 9K5221 is operated on Friday, Saturday and Sunday.
What is the On-Time Performance (OTP) of Cape Air Flight 9K5221 Nantucket to Boston?
The Airportia On-Time Performance Rating for Cape Air Flight 9K5221 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight 9K5221 arriving at?
Flight 9K5221 arrives at Boston Logan International Airport (BOS) Terminal C.
When was the latest 9K5221 flight?
The latest flight took off on Sunday, June 14th, 2026 with the flight status being Landed on 18:40.
How else can the flight 9K5221 be referenced as?
This Cape Air flight can also be referenced as KAP5221, 9K 5221, KAP 5221.
How often is flight 9K5221 delayed?
On average, 30% of all 9K5221 flights are delayed. The average delay is 15 minutes.
Can I get compensation for my delayed or cancelled 9K5221 flight or baggage issues?
If your 9K5221 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 9K5221 Flight Tracker above for more details.
Flight 9K5221 is code-shared by 1 airline using the flight number B65936
Other flights departing from Nantucket ACK: 9K7721, 9K5361, B61351, TJ848
Other flights arriving at Boston BOS: KL617, B6818, AA4709, WN1491
All flights connecting Nantucket ACK to Boston BOS.
