US Airways LCC on Wednesday retracted its hostile bid for Delta Air Lines DALRQ, ending the merger saga that began last November. The official creditors committee, which had remained silent since the carrier upped its offer Jan. 10, indicated that it would not press Delta's management into delaying ... On Wednesday, US Airways LCC announced an $8 billion cash and stock offer to the prepetition bondholders of bankrupt Delta Air Lines DALRQ. Previous attempts by the former to discuss a merger with Delta management were rebuffed as the bankrupt carrier has maintained its plans to emerge from Chapter ... US Airways LCC reported solid fourth-quarter results Tuesday, rounding out 2006 with an adjusted net profit of over $500 million. The carrier's 4.4% net margin was the healthiest among legacy carriers, and CEO W. Douglas Parker indicated 2007 results would be even stronger. Despite the gleaming ... On Wednesday, US Airways LCC increased its bid for bankrupt Delta Air Lines DALRQ to roughly $10.2 billion, representing a 20% hike from its $8.3 billion overture in November. The offer comes amid speculation that Delta and Northwest Airlines NWACQ are in talks to merge upon their respective exits ... US Airways has delivered strong results, and merging with AMR will strengthen its longevity.