If you're wondering,What Terminal is LATAM Airlines at MIA? LATAM Airlines operates from Terminal J (South Terminal) at Miami International Airport (MIA). The terminal offers convenient check-in counters, baggage services, security screening, and immigration facilities for international travelers. Passengers can also enjoy a variety of restaurants, shops, comfortable waiting areas, and free Wi-Fi before their flight. For a smooth travel experience, it is recommended to arrive at least three hours before your scheduled international departure.