Background The Airbus A350-1000 and Boeing 777-9 represent the top end, i.e. highest capacity, of their manufacturers’ commercial product lines. The following discussion compares the relative merits of the two aircraft and is the starting point for a future post on potential derivatives. The following table outlines some key programme attributes   1 st  Flight Entry Into Service Orders (end Feb 2026) In-Service (end Feb 2026) A350-1000 06/2013 2015 367 110 777-9 01/2020 2027