Short to medium range single aisle airliner. In service since 1988. First airliner with a fly-by-wire-system with side stick controlling and an Electronic Flight Instrument System-cockpit. Total of 2532 aircraft ordered, 1563 delivered, 1542 in operation. There are total of 3469 aircraft from A320 family in operation (including 318/319/320/321 - May 2008). The A320 is a member of the A320 family of aircraft.

A new "neo" (new engine option) series of the A320 family was developed since 2010 with first aircraft being delivered in 2016. The "neo" aircraft feature new engines (PW 1100G or CFM LEAP-1A) and a new type of wingtips, called "sharklets". The existing aircraft are referred to as "ceo" by Airbus, meaning "current engine option".

Note: While a "ceo" aircraft may or may not be equipped with sharklets, all "neo" aircraft are equipped with sharklets. The sharklet version features a 1.7m wider wingspan.