A party to show the Dreamliner was held in Seattle, the first flight is palanned for September, 2007. 677 orders from 47 customers, estimated at $5.2 billo without discounts is the estimated order volume for this plane which is fuel efficient costing 20% less to operate and one third less for maintenance costs. First deliveries are planned for May 2008. Boeig has rented the Seattle Seahawks stadium to show the plane' debut on a giant screen, gives an indication of the interest aroused by this Boeing plane.