![Boeing 777-9X first delivery pushed back to 2021](https://worldofaviation.com/wp-content/uploads/2019/10/gallery-full-777x-062019-03_1170-1.jpg)
Boeing has pushed back first delivery of its 777-X program from mid-2020 to early 2021 due to flight-testing delays caused by ongoing engine issues and more recently, a door blowing off during stress testing. A new flight-compliant GE9X engine was delivered to Boeing in August after durability problems, discovered during testing late in northern hemisphere summer, centered on the
![Boeing 777-9X on the move at Everett](https://worldofaviation.com/wp-content/uploads/2019/06/boeing_777x_1_1170.jpg)
Boeing has published video showing its 777-9X moving under its own power for the first time as the buildup to flight tests later in 2019 continues.
![Boeing CFO says 777-9X first flight on track for later in 2019](https://worldofaviation.com/wp-content/uploads/2019/06/777X_Roll-Out_40407373023_1170.jpg)
Boeing chief financial officer Greg Smith says the 777-9X is still on track to begin flight tests later in 2019 despite the need for some re-testing work on the GE9X engines powering the aircraft.
![Boeing presents first 777-9X at staff-only event](https://worldofaviation.com/wp-content/uploads/2019/03/D02GxLOWoAE2kxe.jpg-large_1170.jpeg)
Boeing staff have had a first look at the new 777-9X at an internal event at the company's Everett facility just outside Seattle in Washington State.
![Boeing to present first 777X on March 13](https://worldofaviation.com/wp-content/uploads/2019/03/D0bV0JzWwAAJ5p5.jpg-large_1170.jpeg)
Boeing says it will officially unveil the first 777-9X to the world at its Everett facility just outside Seattle on March 13.
![British Airways orders the Boeing 777-9X](https://worldofaviation.com/wp-content/uploads/2019/03/D0ecQlSXgAAImbk.jpg-large_1170.jpeg)
Boeing has won its first 777-X orders for about two years and secured a new airline customer for the type after British Airways signed for up to 42 aircraft.