Frontier Airlines is going after customers of Spirit Airlines, whose financial footing has gotten so shaky in recent weeks that it warned earlier this month it might not be able to survive another ...

Frontier Airlines announced 20 new routes on Tuesday from major metropolitan areas, with some fares as low as $29. The new domestic and international routes are launching from Houston, Detroit, Fort ...

Spirit Airlines again rejected Frontier Airlines’s latest takeover bid, opting to instead focus on its restructuring process to bolster financial stability. Spirit, an ultra-low-cost airline, shut ...

NEW YORK (AP) — No-frills, budget airlines often lead the industry in customer complaints, according to government data, so if one were to disappear would it be missed by travelers? That is a question ...