Airline investors should pack their bags. The news of the past couple of weeks promises to send them on a long and profitable trip. One company, though, looks like it will be left on the tarmac. Spirit Airlines said this week that it is looking to restructure its debt,

Spirit Airlines’ shares plunged more than 50% in early trading Wednesday, following a report that it is preparing to file bankruptcy — and the company’s announcement that it won’t report quarterly financial results because it’s scrambling to reach a deal with creditors.

Spread the loveRumors are swirling about the financial health of Spirit Airlines, a budget carrier known for its ultra-low fares and often-criticized ancillary fees. While the airline hasn’t officially filed for bankruptcy,