With 3 million people flying home this thanksgiving, we thought we'd take you on a tour of that new jet that promises to erase jet lag. Abc's jim avila tonight, taking us on board. Reporter: It's the... See More
With 3 million people flying home this thanksgiving, we thought we'd take you on a tour of that new jet that promises to erase jet lag. Abc's jim avila tonight, taking us on board. Reporter: It's the airplane designed to bring back some of the fun in flight. Boeing's 787 dreamliner, finally making its domestic debut this holiday season. The passenger jet with swooping wings and a fuselage made primarily of plastic composite. It's a generational step. Reporter: Boeing has sold more than 800 around the world, but united is the first u.S. Airline to fly the dreamliner in service that began this month. The airlines are buying these because they're cheaper to fly, more efficient, but they're going to sell you on creature comforts like the air itself. There's more oxygen on this plane. It's cleaner and less dry, and they have these huge storage bins too. You could fit four suitcases in here. The plastic body is stronger than metal, so, the air pressure inside can be kept at the equivalent of 6,000 feet, instead of the 8,000 or 9,000 in most jets. That trance lates to higher humidi humidity, less jet lag and dry skin. Increases in humidity, the pressurization of the cabin, the very different experience in today's airplane. Reporter: The windows are a third bigger. There's a light show on board. Different colors for take off, cruising, dinner time. So, we go into the warm colors basically like candle light. Reporter: Pilots say the 787 carries the next level of safety. Situational awareness that the airplane produces for us in the cockpit is just phenomenal. Reporter: From the security camera that shows them who is outside the cockpit door to advanced radar that detects potential mid-air collisions miles away. Traffic. Reporter: New gps the land the dreamliner on its own, in zero visibility. Th a plane so advanced, it's moving aviation to the next level. The era of the plastic jetliner. Jim avila, abc news, seattle.
This transcript has been automatically generated and may not be 100% accurate.