945 Boeing 757 aircraft were in airline service in July 2010. [ 4 ]  Boeing767 The  Boeing 767  is a mid-size  wide-body   twin-engine   airliner  produced by  Boeing Commercial Airplanes . Boeing 767 versions have a range of 5,200 to 6,590  nautical miles  (9,400 to 12,200 km), and can carry between