Boeing 777X Successfully Completes First Test Flight

The Boeing 777 X successfully completed its first test flight, showcasing its status as the largest and most fuel-efficient twin-engine jet. Initially delayed due to high winds, the flight took off from Everett, WA, and landed in Seattle. Boeing aims to certify the 777 X by 2021 as part of efforts to restore its reputation after the 737 Max issues.

Why was the maiden flight of the Boeing 777 X rescheduled?

What is the significance of the Boeing 777 X plane's first test flight?

What challenges did Boeing face with the 737 Max model prior to the 777 X test flight?

What are the claimed fuel efficiency benefits of the Boeing 777 X compared to other planes?

What is Boeing's goal regarding the certification of the 777 X?