The Airbus A319neo had 55 orders placed by end of March 2017 while the A320neo had less than 3,620 and the A321neo had more than 1,384 .
The A319neo is the least popular variant of the Airbus A320neo family , with total orders for only 55 aircraft placed as of 31 March 2017 , compared with 3,616 for the A320neo and 1,385 for the A321neo.
Airbus A319