Southwest Airlines has joined IATA’s Schedule Data Exchange Program (SDEP), bringing the number of contributing airlines to 190. The SDEP was launched in late 2023 to build a uniquely airline-owned schedule and minimum connecting time exceptions database. Schedule data underpins many aspects of an airline’s business, including network planning, slot coordination, and interline agreements...

Southwest Airlines now partners with five overseas air carriers connecting the Southwest network with transoceanic originations and destinations in Asia, Europe, the Middle East, and Africa.