A Model of Boeing's 777X Aircraft Sits During Dubai Air Show

A Model of Boeing's 777X Aircraft Sits During Dubai Air Show

Duncan Chard/Bloomberg

A 777-9 seating more than 400 people due from 2020 and a smaller -8 with room for around 350 were formally introduced yesterday with a combined 259 orders from Dubai-based Emirates, Etihad Airways PJSC of Abu Dhabi and Qatar Airways Ltd., together with Deutsche Lufthansa AG, which had previously committed to a model that features a new wing and engine.