Nantucket to Boston (ACK-BOS): nonstop upgrade & award space

Cape Air, JetBlue Airways, and American Airlines fly nonstop between Nantucket (ACK) and Boston (BOS), roughly 97 times a week. With Cape Air running most of the schedule, the shape of a week is predictable, which makes an open premium seat on a given date easy to spot and quick to lose. 2LNR tracks confirmed upgrade and award space on American Airlines, on every ACK to BOS departure, so you know which flights have space before you book.

Schedule last confirmed . Departure times come from 2LNR's schedule data; confirm with the airline before you book.

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97
Nonstop flights a week
91 mi
Nonstop distance
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Nantucket to Boston flight schedule

Scheduled nonstop departures for ACK to BOS, last checked against our schedule feed on September 6, 2026. Airlines retime and cancel flights, so confirm with the airline before you book.

Schedule data dated .

Scheduled nonstop departures from Nantucket (ACK) to Boston (BOS)
Date Flight Airline Departs ACK Arrives BOS Duration Aircraft
9K 5001Cape Air07:0007:5555 minutesCNA
9K 5041Cape Air08:1009:0555 minutesCNA
9K 5301Cape Air10:1011:0555 minutesCNA
9K 5021Cape Air10:3211:2755 minutesT12
AA 4479American Airlines11:1712:311h 14mE75
9K 5081Cape Air11:2012:1555 minutesCNA
9K 5181Cape Air12:4013:3555 minutesCNA
9K 5061Cape Air14:5515:5055 minutesCNA
9K 5261Cape Air15:2016:1555 minutesCNA
B6 1151JetBlue Airways15:2816:561h 28m223
9K 5341Cape Air16:4017:3555 minutesCNA
B6 1351JetBlue Airways17:5519:241h 29m223
9K 5361Cape Air18:0018:5555 minutesT12
9K 5381Cape Air18:3019:2555 minutesCNA
9K 5001Cape Air07:0007:5555 minutesCNA
9K 5041Cape Air08:1009:0555 minutesCNA
9K 5301Cape Air10:1011:0555 minutesCNA
9K 5021Cape Air10:3211:2755 minutesT12
9K 5081Cape Air11:2012:1555 minutesCNA
9K 5121Cape Air11:2012:1555 minutesT12
9K 5181Cape Air12:4013:3555 minutesCNA
9K 5141Cape Air13:5814:5355 minutesCNA
9K 5061Cape Air14:5515:5055 minutesCNA
9K 5161Cape Air15:0015:5555 minutesT12
B6 1151JetBlue Airways15:1016:391h 29m223
9K 5261Cape Air15:2016:1555 minutesCNA
9K 5341Cape Air16:4017:3555 minutesCNA
9K 5361Cape Air18:0018:5555 minutesT12
9K 5381Cape Air18:3019:2555 minutesCNA
9K 5001Cape Air07:0007:5555 minutesCNA
9K 5041Cape Air08:1009:0555 minutesCNA
9K 5301Cape Air10:1011:0555 minutesCNA
9K 5021Cape Air10:3211:2755 minutesT12
9K 5081Cape Air11:2012:1555 minutesCNA
9K 5101Cape Air12:1013:0555 minutesCNA
9K 5061Cape Air14:5515:5055 minutesCNA
B6 1151JetBlue Airways15:1016:391h 29m223
9K 5261Cape Air15:2016:1555 minutesCNA
9K 5201Cape Air16:0517:0055 minutesCNA
9K 5341Cape Air16:4017:3555 minutesCNA

Showing the first 40 of 104 scheduled ACK to BOS departures across the next 7 days with service. Every remaining date is on the interactive map.

Departure and arrival times are local at their own airport, so an arrival can fall on a different local date than the departure; the duration column is the true elapsed flying time. A dash means the airline has not filed that value in the schedule data we hold. Aircraft are IATA equipment codes as filed, and can change up to departure.

See every ACK to BOS date on the interactive map

Confirmed upgrade & award space on ACK to BOS departures

2LNR tracks confirmed upgrade and award space on American Airlines, segment by segment and date by date. Open the calendar for Nantucket to Boston to see which departures have space, the next 14 days free on every product and the full horizon on Pro.

See real availability

Confirmed upgrade and award seats on each ACK to BOS departure, checked against live inventory so you know what is open before you book.

Set an alert

Premium inventory turns over fast. Watch this route and 2LNR notifies you when space appears on a date you are tracking.

Plan on the map

See ACK to BOS on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Nantucket to Boston nonstop

Carriers operating ACK to BOS nonstop in the current schedule. 2LNR tracks confirmed upgrade and award space on each of them.

See ACK to BOS on the interactive map →

Frequently asked questions about ACK to BOS

How far is Boston from Nantucket?
ACK to BOS covers about 91 miles nonstop. Flight times vary by aircraft and season; the schedule table on this page lists each scheduled departure with its own times.
Which airlines fly nonstop from ACK to BOS?
Cape Air, JetBlue Airways, and American Airlines fly the route nonstop. 2LNR tracks confirmed upgrade and award space on American Airlines, and award seats on JetBlue Airways.
How many flights a week are there from ACK to BOS?
About 97 nonstop flights a week run between Nantucket and Boston in the current schedule, operated by Cape Air, JetBlue Airways, and American Airlines. Frequency shifts by season, and the schedule table on this page shows what is scheduled next.
What time do flights from ACK to BOS depart?
Scheduled ACK to BOS nonstops in the next 7 days with service leave between 07:00 and 18:30, local time at Nantucket. The schedule table on this page lists every departure by date, with its arrival time and aircraft.
How do I check upgrade or award availability on ACK to BOS?
Open the ACK to BOS route on the interactive map or the matrix to see confirmed upgrade and award space by date on American Airlines, the next 14 days free and the full horizon on Pro. On Pro you can also set an alert on the route and 2LNR notifies you when space opens.

Never miss ACK to BOS upgrade or award space

See what is open by date on this route, the next 14 days free on every product and the full horizon on Pro.

Get started free