The final Boeing 787 Dreamliner to join the flight test fleet made its first flight Oct. 4 from Paine Field in Everett, Wash. Boeing

After delays (so many delays), the Boeing 787 Dreamliner finally made its first commercial flight, jetting from Tokyo to Hong Kong. According to the AP, the plane was mostly full of reporters and enthusiasts, some of whom paid thousands of dollars to be included on the maiden flight. If you’re curious about what makes the Dreamliner so different, check out our coverage: it’s got Android, a crazy efficient power source, and eco-friendly credentials, as well as creature comforts like bigger windows, more spacious seats, and enlarged overhead compartments.