Oneworld logoOneworld is an airline alliance founded on 1 February 1999. The alliance’s stated objective is to be the first-choice airline alliance for the world’s frequent international travelers. Its central alliance office is currently based in New York City. Oneworld is the third largest global alliance in terms of passengers, behind Star Alliance and SkyTeam. Its slogan is: An alliance of the world’s leading airlines working as one.
Source: Wikipedia


Full members and some of their affiliates:
American Airlines (founding member), including US Airways
British Airways (founding member)
Cathay Pacific (founding member), including Dragonair
Iberia, including Air Nostrum/Iberia Regional
Japan Airlines
LATAM Airlines Group
Malaysia Airlines
Qantas (founding member)
Qatar Airways
Royal Jordanian
– S7 Airlines
SriLankan Airlines

Former members and some of their affiliates:
Air Berlin, including Belair and Niki
Aer Lingus
Canadian Airlines (founding member)
Mexicana, including MexicanaClick