Southwest Airlines is shaking up its famously simple no-frills model with a new aircraft design that promises a more "elevated" flying experience, with similar upgrades planned for its existing fleet.

How bleak is the future for low-cost airlines? For decades, budget carriers successfully offered travelers no-frills, cheap flights. But that scrappy business model is now eroding as costs soar and ...

These carriers are focusing on targeting premium travelers.

One airline CEO is defending his carrier’s business model following months of economic uncertainty that has shook the industry. Frontier Airlines CEO Barry Biffle said Wednesday the ultra-low-cost ...

United Airlines CEO Scott Kirby told The Wall Street Journal in an interview on Thursday the budget airline model is dead, adding that these “crappy” models “screw the customer.” Kirby’s interview was ...