Frontier Airlines (F9, Denver Int'l) has booked an additional A320neo, Airbus (AIB, Toulouse Blagnac) has reported in its latest update. As of August 2017, the Colorado-based budget carrier's order book stands at sixty-two of the type of which nine have thus far been delivered. It also has orders for eighteen A319neo.

At present, Frontier operates eighteen A319-100s, twenty-four A320-200s, and seventeen A321-200s on flights spanning sixty-eight destinations across the United States, Mexico, the Dominican Republic, and Puerto Rico.