The Nantucket to Boston route connects Nantucket Memorial Airport (ACK) in US with Logan International Airport (BOS) in US. This short-haul flight covers approximately 93 miles (150 km) with a typical flight time of 35m. This route is operated by Cape Air. AirportRoutes has tracked 34 unique flight numbers on this route.
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The Nantucket (ACK) → Boston (BOS) route links the island to New England’s largest city over just 91 miles (146 km). It’s a high-value hop for travelers avoiding the longer ferry-to-car-to-city journey, especially in shoulder seasons when seas can be rough. Typical nonstop flight time is about 30–40 minutes, though total travel time depends on security lines and baggage. The route is popular with weekenders, business travelers, and island residents connecting onward through Boston’s broader network of domestic and international flights. It’s also a convenient option for day trips, medical appointments, and event travel, offering reliable access to Boston’s hotels, universities, and cultural institutions with minimal time in transit.
Book early for summer and holiday weekends, when limited seats can push fares up in USD. If your schedule is flexible, midweek departures often price better and face fewer delays. At ACK, arrive early enough for check-in and security despite the small terminal; lines can spike around peak departure banks. Pack light when possible—carry-on only speeds up your BOS exit and simplifies connections. Expect a short climb and descent, so in-flight service may be limited; bring essentials like water and headphones. At BOS, plan your ground transfer: the Silver Line and Blue Line connections can be faster than rideshares during rush hour. For tight connections, verify terminal and gate details before landing.
Boston blends historic sites with modern neighborhoods, making it easy to build a short, walkable itinerary. Follow the Freedom Trail to landmarks like Boston Common, Faneuil Hall, and the Old North Church, then shift to the waterfront for the New England Aquarium and harbor views. Art and culture stand out at the Museum of Fine Arts and the Isabella Stewart Gardner Museum. For neighborhoods, explore the North End for Italian bakeries, Back Bay for architecture and shopping, and Cambridge for Harvard Square’s bookshops and cafés. Local cuisine is a highlight: try clam chowder, lobster rolls, and fresh oysters, plus cannoli in the North End. Fenway Park tours add a classic Boston experience year-round.
Late spring through early fall—especially May to October—offers the most reliable weather and frequent travel demand. Summer brings warm days and peak tourism, typically the highest fares in USD, while November to March often has lower prices but more weather-related disruptions. Fall is a sweet spot for comfortable temperatures and fewer crowds. Notable draws include Boston Marathon weekend in April and Independence Day festivities in early July, both of which can raise prices and tighten availability.
KACKACKKBOSBOS1
Operator34
Tracked Flights93
Miles35m
Flight Duration
| Airline | ICAO | IATA |
|---|---|---|
| Cape Air |
KAP
|
9K
|
| Day | Flights Observed | Frequency | Activity |
|---|---|---|---|
| Monday | 95 | 11% |
|
| Tuesday | 141 | 17% |
|
| Wednesday | 127 | 15% |
|
| Thursday | 100 | 12% |
|
| Friday | 130 | 16% |
|
| Saturday | 114 | 14% |
|
| Sunday | 123 | 15% |
|
Pattern Analysis
| Airline | Flight Numbers | Aircraft Type | Typical Time | Days Active | Last Seen | Status |
|---|---|---|---|---|---|---|
|
Cape Air
KAP
/ 9K
|
|
C402 | 16:14 4:14 PM (Representative) |
M
T
W
T
F
S
S
|
May 10, 2026 | Active |
| Departure Time | Operator | ICAO | IATA |
|---|---|---|---|
| 16:14 4:14 PM | Cape Air |
KAP
|
9K
|
Time Information
Times are shown in the departure airport's local timezone (KACK - America/New_York).