High Quality Content by WIKIPEDIA articles! Oneworld (CRS: *O), branded as oneworld, is one of the world`s three largest global airline alliances with its central management team, oneworld Management Company, based in New York City, New York, USA. Oneworld was founded in 1999 by American Airlines, British Airways, Canadian Airlines, Cathay Pacific and Qantas. The alliance slogan is "Oneworld revolves around you".