Hyannis Air Service Inc., operating as Cape Air, is an airline headquartered at Cape Cod Gateway Airport in Hyannis, Massachusetts, United States. It operates scheduled passenger services in the Northeast, the Caribbean, Midwest, and Eastern Montana.

Cape Cod Gateway Airport, also known as Boardman/Polando Field and formerly known as Barnstable Municipal Airport, is a public airport located on Cape Cod, one mile (1.6 km) north of the central business district of Hyannis, in Barnstable County, Massachusetts, United States. This airport is publicly owned by Town of Barnstable. It is Cape Cod's major airport as well as an air hub for the Cape and the Islands. The airport is served by scheduled commercial flights as well as charters and general aviation. Barnstable Municipal Airport served as a hub for Nantucket-based commuter airline Island Airlines until its shutdown in 2015.