Delta Air Lines operates from Concourse H in the South Terminal (Terminal H) at Miami International Airport (MIA). Passengers flying with Delta should proceed to this terminal for check-in, security screening, and boarding. Concourse H offers a variety of amenities, including dining options, retail stores, and lounges, to enhance the travel experience. For the most accurate and up-to-date information regarding flight schedules and terminal services, it's advisable to check the official Miami International Airport Delta Airlines Terminal website.