Previous outstanding orders for 18 A320s to be delivered through 2014 brought the total Airbus order to 55. The first A321 for Cebu Pacific (RP-C4111) arrived in Manila on March 22, 2018, and currently flying to domestic destinations. On January 2019, Cebu Pacific received their first-ever 236-seater Airbus A321neo (Registered RP-C4118) powered with Pratt and Whitney engines. In 2007, The airline ordered six A330s to operate to Middle East destinations such as Dubai and sometimes Cebu and Davao flights and East Asia flights. In 2016, The airline added 2 A330s on its orders to be used in longer routes, such as to Australia. At the 2019 Paris Air Show Cebu Pacific, announced they were looking into ordering 16 Airbus A330neos to replace their aging A330-300s. It is set to be in a 460-seat all-economy configuration. This would be the most dense airline cabin for the A330. Cebu Pacific was the only Philippines-based member airline of Northwest Airlines' WorldPerks award travel program. WorldPerks offered regular travellers the ability to obtain free tickets, first-class upgrades on flights and other types of rewards. On August 1, 2006, Northwest and Cebu Pacific ended their mileage-accrual agreement. Cebu Pacific codeshares flights with Garuda Indonesia via Jakarta to Manila. On 16 May 2016, Cebu Pacific became a founding member of the world's largest low-cost carrier alliance, Value Alliance. It joined other pioneer members Singapore Airlines' Scoot, South Korea's Jeju Air, Thailand's Nok Air and NokScoot, Tigerair, Tigerair Australia, and Japan's Vanilla Air in the low-cost carrier network. Cebu Pacific is also currently the only Philippine carrier which is a member of an airline alliance.