10 Most Commonly Sold Commercial Jets to Airlines

4.Boeing 727

Delivered: 1,832;On firm order: 0; Total sales: 1,832

The only three-engine jet on our list, Boeing 727 had its maiden flight in 1963. 727 can seat between 131 and 189 passengers. Several variants have been built, most notable 727-200, with more than 1,200 planes built. During the 1960s and 1970s, Boeing 727 was a staple jet on domestic lines, with now defunct Eastern Air Lines operating more than 170 of them. Today, there are less than 200 727 in service, with only 7 airlines operating more than 5 airplanes. It is also used for military and government purposes in several countries around the world. When introduced, 727 cost $4.25 million, rising to $22 million in 1982. The production ended in 1984.