Denver, Colorado - The US ultra-low-cost operator Frontier Airlines has converted 15 Airbus of 34 Airbus A320neo from a previous order to the larger A321neo.
With this backlog revision, the carrier now has 104 A320neo and 49 A321neo on order waiting to be delivered.
The US carrier is also one of the three US carriers with American Airlines and JetBlue Airways to order A321XLR, the extra-long-range variant of the A321neo family.
The parent company Indigo Partners signed an order commitment for 50 A321XLR during the Paris Air Show in June.
Frontier Airlines is expected to receive 18 of these planes.
With this conversion, Airbus's A321neo backlog reached 2700 aircraft. The manufacturer has so far delivered 204 A321neo to its customers around the world.
The European Aerospace giant is planning to open a new Final Assembly Line in Toulouse by the end of this year to meet the increasing demand for the A321neo family jets.