The "XF" tail numbers are a subtle nod to their Frontier Airlines heritage. While these aircraft now wear American Airlines' iconic livery, their history interests aviation enthusiasts.

Frontier is one of America's largest low-cost airlines with over 100 aircraft and has recently ... the brand identity. A new ...

Frontier Airlines is continuing to break from its classic budget business model as it chases more premium customers. The airline will introduce "first-class" seats in the first two rows of the ...