Boeing 777 X Whats the Difference

I was in Boeing Everett Factory waiting for the Boeing 7779 first takeoff. However, due to strong wind and inclement weather, the first flight was postponed by 2 days. The Boeing 7779, registration N779XW finally took off on 25 January, 2020 at 10:09am under the command of Captain Van Chaney. It flew in the air for 3 hours 51 minutes before return to land at Boeing Field at 2pm. This video shares with you all things you should know about the B777x. The orders from 9 customers around the world, the spec