Operating out of Terminal 4 at JFK Airport, Delta Airlines JFK Terminal offers passengers a smooth and effective travel experience. Fast check-in procedures, cutting-edge security, and convenient access to several gates for both domestic and international flights are all aspects of the terminal. Travelers may unwind in Delta Sky Club lounges and take advantage of a range of food and shopping opportunities. Terminal 4 is a hub for Delta Airlines passengers at JFK because it guarantees comfort and ease.