Length: The -700 is 110 ft 4 in (33.6 m) while the -900 is 138 ft 2 in (42.1 m). Wingspan is identical at 112 ft 7 in (34.3 m) without winglets and 117 ft 5 in (35.7 m) with them. Capacity: The -700 can accommodate 149 passengers in a single class, while the stretched -900 can fit up to 220.