Founded in 2007, AirAsia X (D7) is a Malaysia-based long-haul low-cost carrier. Sister company to AirAsia (AK), the airline operates from a hub at Kuala Lumpur International Airport (KUL). AirAsia X flies to about 20 destinations in Australia, China, Japan, South Korea, Nepal, Saudi Arabia, Sri Lanka and Taiwan. Each of its 20 Airbus A330-300 aircraft are configured with two cabins: Premium Class and Economy Class. AirAsia X is not a member of any of the major airline alliances.