Boeing has about 710 Dreamliner aircraft orders in its backlog, or roughly five years' worth of production for the mid-size wide-body plane. For the 737, the company has an order backlog of more than 4,470 aircraft, mostly for the 737-MAX model. Overall, Boeing's backlog of commercial airplanes stood at $412.2 billion at the end of the third quarter, the company said Wednesday. Chief Financial Officer Greg Smith said its backlog of about 5,700 commercial aircraft equates to more than seven years in production.