The Boeing 777X is a new series of the long-range wide-body twin-engine Boeing 777 family that is under development by Boeing Commercial Airplanes. The 777X is to feature GE9X new engines, new composite wings with folding wingtips, greater seating in the cabin, and technologies from the Boeing 787. The 777X series was launched in November 2013 with two variants: the 777-8 and the 777-9. The 777-8 has seating for 365 and range of 8,690 nmi (16,090 km) and the 777-9 has seating for 414 and range of over 7,525 nmi (13,940 km). The -9 is to fly in the first quarter of 2019 with deliveries to begin in December 2019.