The 777X is expected to replace both aging 777s and, over time, much of the A380 fleet, and will reshape the backbone of its ...

Boeing’s 777X uses five test aircraft to fast-track certification: each with a unique role from engine trials to lightning ...

The Boeing 777X was seen conducting flight tests at Mexico's high-altitude Toluca Airport as Boeing works to certify it to ...

Boeing 777-9 certification tests reached a key stage on Aug. 14 with the return of WH001, the first 777X development aircraft ...

Boeing resumes test flights of the 777X with Singapore Airlines’ first aircraft, signaling progress toward a potential 2026 ...

Boeing's new 777x has faced lots of delays on its way to being delivered to airlines. But its need for folding wingtips has ...

The Boeing 777X will not be delivered until late 2023, its manufacturer announced on Wednesday, further delaying the aircraft's debut well-beyond the planned time frame of 2020.

The 777X's wings are about 23 feet longer than the 777's, allowing the jet to generate more lift. According to Boeing, this increases efficiency by reducing fuel burn by about 10% compared to ...

Boeing says the 777X could begin passenger service as early as next year. So far it has orders from eight airlines, including British Airways, Cathay Pacific, Emirates, Lufthansa and Singapore ...

Boeing has invested over $1 billion in a new factory to build the 777X’s advanced, carbon fiber composite wing, located at the airframer’s Everett twin-aisle aircraft production plant.

PARIS — Boeing’s big new 777X jet, which first rolled out of the Everett assembly plant in early March, cannot fly until at least the fall because of a problem with the new GE9X engine.