By now, most consumers understand the disadvantages of widespread consolidation among the remaining legacy airlines ( American Airlines, United Air, Continental Airlines, Delta Air Lines, Northwest Airlines and U.S. Airways). Along with this understanding, many would-be airline patrons are masked in the darkness of the unknown. The many questions left unanswered at this time include: What will happen to the advance fare I purchased, my frequent-flyer points, service to and from my destinations, the loyalty I built over time?