Spirit Airlines files for bankruptcy

Spirit Airlines filed for bankruptcy protection Monday, as mounting losses, unaffordable debt, increased competition for bargain-seeking airline passengers and the inability to merge with other airlines left it little choice.

​ Spirit Airlines filed for bankruptcy protection Monday, as mounting losses, unaffordable debt, increased competition for bargain-seeking airline passengers and the inability to merge with other airlines left it little choice. Read More Breaking News, Latest News and Videos | CNN