Pete Syme/Business Insider
- After years of delays, Boeing's upcoming 777X began certification flight testing in mid-July.
- The design boasts a suite of cabin comforts, like bigger windows and reduced feelings of turbulence.
- Airlines can customize the mood lighting with specific colors and scenes, like the northern lights.
Boeing may be entangled in its 737 Max fiasco, but it's earning some wins with its upcoming new flagship widebody, the 777X.