what terminal is Alaska Airlines at JFK, Alaska Airlines is based out of Terminal 7 at John F. Kennedy International Airport (JFK). Many amenities at this British Airways-managed terminal are intended to improve passenger comfort and convenience. Alaska Airlines has quick security checks, easy check-in desks, and a range of dining and shopping options. In order to enhance the traveler experience, Terminal 7 also offers lounges and other amenities. Because of its ideal location and contemporary amenities, JFK offers a seamless travel experience for passengers flying with Alaska Airlines into or out of it.