LATAM Airlines, formerly LAN Airlines S.A., is an airline based in Santiago, Chile, and is one of the founders of LATAM Airlines Group, Latin America's largest airline holding company. The main hub is Comodoro Arturo Merino Benítez International Airport, with secondary hubs in El Dorado (Bogotá), Jorge Chávez (Lima), José Joaquín de Olmedo (Guayaquil) and Jorge Newbery (Buenos Aires) airports. LAN Airlines was the flag carrier of Chile until its privatization in the 1990s, is the predominant airline in Chile and Peru, and the second largest carrier in Argentina, Colombia and Ecuador, through its local subsidiaries. LAN is one of the largest airlines in Latin America, serving Latin America, North America, the Caribbean, Oceania, and Europe. The carrier has been a member of the Oneworld airline alliance since 2000. LATAM Airlines Group was formed after the takeover by LAN of Brazilian TAM Airlines, which was completed on June 22, 2012. In August 2015, it was announced that the two airlines would fully rebrand as LATAM, with one livery to be applied on all aircraft by 2018. Currently, LAN and TAM continue to work as separate companies, under a common executive management. LATAM Airlines Group is currently the largest airline conglomerate in Latin America.