Frontier Airlines Files for Bankruptcy Protection

April 11 (Bloomberg) -- Frontier Airlines Holdings Inc., the U.S. discount carrier that serves 70 destinations from Denver, filed for bankruptcy protection, becoming the fourth U.S. airline to do so in less than a month. Frontier took the step after its main credit-card processor began withholding proceeds from ticket sales, it said in a statement today. The carrier pledged to continue flying and keep paying workers while it seeks additional financing... (www.bloomberg.com) More...