| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jul 18 | BOS | ACK | 16:30 | 16:15 |
En-Route
|
Track > |
| Jul 16 | BOS | ACK | 15:30 | 16:07 |
En-Route
|
Track > |
| Jul 11 | BOS | ACK | 17:55 | 16:15 |
En-Route
|
Track > |
| Jul 09 | BOS | ACK | 15:59 | 16:37 |
Delayed
|
Track > |
| Jul 02 | BOS | ACK | 18:02 | 18:39 |
En-Route
|
Track > |
| Jul 02 | BOS | ACK | 15:39 | 15:54 |
Unknown
|
Track > |
| Jun 27 | BOS | ACK | 15:20 | 16:15 |
Cancelled
|
Track > |
| Claim > | ||||||
| Jun 25 | BOS | ACK | 15:19 | 15:56 |
Landed
|
Track > |
| Jun 20 | BOS | ACK | 16:02 | 16:37 |
Delayed
|
Track > |
| Jun 18 | BOS | ACK | 17:20 | 16:15 |
En-Route
|
Track > |
Cape Air Flight 9K5431 connects Boston, United States to Nantucket, United States, taking off from Boston Logan International Airport BOS and landing at Nantucket Memorial Airport ACK.
How long is the 9K5431 flight from Boston to Nantucket?
The average flight time from Boston to Nantucket is 32 minutes. The flight distance is 146 km / 91 miles and the average flight speed is 236 km/h / 147 mph.
How many 9K5431 flights are operated per week?
2 flights per week. The flight 9K5431 is operated on Thursday and Saturday.
What is the On-Time Performance (OTP) of Cape Air Flight 9K5431 Boston to Nantucket?
The Airportia On-Time Performance Rating for Cape Air Flight 9K5431 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest 9K5431 flight?
The latest flight took off on Saturday, July 18th, 2026 with the flight status being En-Route on 16:15.
How else can the flight 9K5431 be referenced as?
This Cape Air flight can also be referenced as KAP5431, 9K 5431, KAP 5431.
How often is flight 9K5431 delayed?
On average, 20% of all 9K5431 flights are delayed. The average delay is 22 minutes.
Can I get compensation for my delayed or cancelled 9K5431 flight or baggage issues?
If your 9K5431 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 9K5431 Flight Tracker above for more details.
Flight 9K5431 is code-shared by 1 airline using the flight number B65362
Other flights departing from Boston BOS: DL5680, WN742, AS1506, 9K5432
Other flights arriving at Nantucket ACK: 9K5211, TJ928, 9K5432, 9K5212
All flights connecting Boston BOS to Nantucket ACK.
