Nantucket Memorial Airport (ACK) is the island’s primary air gateway, using a compact main passenger terminal that can become busy during the summer travel season. No large network carrier is based at ACK, but Cape Air and its Nantucket Airlines service maintain an important year-round local presence, while JetBlue, American Eagle, Delta Connection and United Express typically add seasonal mainland flights. Popular links include Hyannis and Boston, with peak-season service to New York, Washington-area airports, Charlotte and other hubs. Use the online flight board for live arrivals and departures, especially when fog, winds or ferry connections affect plans.
Frequently asked questions
The IATA airport code for Nantucket Memorial Airport is ACK.
The ICAO code for Nantucket Memorial Airport is KACK.
Nantucket Memorial Airport (ACK) is located in Nantucket, United States.
The local time zone at Nantucket Memorial Airport (ACK) is America/New_York (GMT-4).
About 72 scheduled departures were counted at Nantucket Memorial Airport (ACK) when flight schedules were last measured on July 19, 2026.
For international flights, arrive at least 3 hours before departure; for domestic flights, about 2 hours.
Based on the current departures board at Nantucket Memorial Airport (ACK), scheduled flights are operated by Tradewind Aviation, Cape Air, Republic Airline, Jetblue Airways, and GoJet Airlines.
Destinations on the current departures board at Nantucket Memorial Airport (ACK) include Boston, White Plains, Teterboro, Bedford, Washington, and New York.
The board on this page shows arrivals and departures for Nantucket Memorial Airport (ACK). It re-checks for updates while the page is open, and every board states how old its data is — busy hubs are refreshed within hours, quieter airports less often.