To the contrary...it would have to happen before Delta emerges from BK. to be successful at these dollars.
FWIW here is the quote from the press release.
TEMPE, Ariz. Nov. 15, 2006 — US Airways Group, Inc. (NYSE: LCC) announced today that it has made a merger proposal to Delta Air Lines, Inc. (OTC: DALRQ.PK) under which both companies would combine upon Delta’s emergence from bankruptcy.