Denver-based Frontier Airlines has ordered 12 Airbus A320 family aircraft, comprising 10 A321 and two A320 current generation jets.

“This announcement paves the way for us to grow, modernize and renew our fleet while helping us build a strong foundation for the future,” says Barry Biffle, Frontier's president. “We remain focused on our low fares done right business model for long-term success and we look forward to working with Airbus to achieve it.”

The order marks the second time that Frontier has ordered the largest variant of the A320 family. It placed an order for nine A321s in November 2014. Frontier's new aircraft announced today will all be equipped with sharklets.

Including the latest order, Frontier holds a backlog of 101 orders for the A320 family. It operates a fleet of 34 A319s and 22 A320s, Flightglobal's Ascend Fleets shows.

Source: Cirium Dashboard