Malaysia Airlines is now part of One World Alliance today..

Malaysia Airlines connects new 16 destinations and one country – Brunei – to the oneworld map. More significantly, it will strengthen the alliance’s connectivity between many key business cities in Asia and other parts of the world.
Currently three of oneworld’s active member airlines serve three points in Malaysia, with Cathay Pacific, Japan Airlines and Royal Jordanian flying to Kuala Lumpur, Cathay Pacific operating to Penang and its Dragonair regional affiliate to Kota Kinabalu.