Delta Airlines JFK Terminal One of the main hubs for Delta Airlines JFK Terminal is Terminal 4 at John F. Kennedy International Airport (JFK), where the airline mostly operates. Terminal 4 is a cutting-edge facility that provides a smooth travel experience with effective check-in desks, contemporary security screening, and a variety of passenger amenities. For both business and pleasure visitors, Delta offers a wide range of flight options from JFK to many domestic and international locations. For travelers passing through Terminal 4, Delta Airlines guarantees a convenient and comfortable experience with access to first-class lounges, a variety of eating options, and retail establishments.