Frontline ....read this from the Wall Sreet Journal and that might explain to you why the UCC agreed to an extension...
Creditors prefer to have US Airways or other interested merger partners competing against an AMR stand-alone plan perceived as strong, so they can get the best possible deal, according to people familiar with the process. If a company in Chapter 11 loses exclusive control over proposing a reorganization plan, a case can get contentious, with an array of creditors and other parties suggesting their own road maps for getting the company out of court.