What Terminal is Delta Airlines at Miami? Delta Air Lines operates from the South Terminal (Terminal H) of Miami International Airport (MIA), providing passengers with a pleasant and efficient travel experience. This airport boasts cutting-edge amenities such as efficient check-in counters, comfortable waiting rooms, and a wide range of restaurants and retail options. Delta passengers also have access to the Delta Sky Club, a premium lounge that offers complimentary refreshments, high-speed Wi-Fi, and a peaceful atmosphere. Delta's Miami terminal, which serves as a hub for both domestic and international flights, exemplifies the airline's dedication to excellence by guaranteeing a smooth and comfortable journey for passengers to locations across the world.