Turkish Airlines is based out of Houston’s George Bush Intercontinental Airport (IAH), a hub for international travel, Terminal D. The Mickey Leland International Terminal, or Terminal D, provides a number of services, such as dining options, duty-free shopping, and premium lounges for business-class and Star Alliance Gold passengers, such as the United Polaris Lounge. Turkish Airlines IAH Terminal connects travelers to a wide range of international locations with direct flights to Istanbul. For international flights, passengers should arrive at least three hours prior to departure. For all Turkish Airlines travelers, the terminal offers efficient check-in, customs, and security procedures guaranteeing a flawless travel experience.