two777Learn about the history of the Boeing 777 aircraft, the backbone of our fleet: the Boeing 777-200LR, Boeing 777-300 and the Boeing 777-300ER.The new 777X will be the world’s largest and most efficient twin-engine jet, unmatched in every aspect of performance. With new breakthroughs in aerodynamics and engines, the 777X will deliver 10 percent lower fuel use