Singapore Airlines Boosts Boeing 777X Program With 11 Orders Advertisement: Singapore Airlines announced today it would be deferring deliveries for both Airbus and Boeing aircraft. While it is not the best of news for the manufacturers, the agreement also means swapping 14 Boeing 787 jets for 11 777Xs, providing a boost to the delayed program of Boeing’s new next-generation widebody. Singapore Airlines has opted to switch some 787 orders for more 777X. Photo: Boeing Saving over $3 billion Nearly one year on, and the COVID-19 crisis shows no signs of abating for long-haul, transit-specialized airlines. The latest in a row of carriers to strike deals with both Boeing and Airbus to defer aircraft deliveries is Singapore Airlines.