Both USAirways.com and AmericaWest.com now both direct you to the same, new website.
It looks like a rocky transition, the website was put up before it was ready. Some Flyertalkers are reporting that the merger of their frequent flyer accounts is a mess, with their status being downgraded. Others see miles missing from their accounts. Some attempted ticket purchases either are or are no going through, or in some cases going through without notice to the traveler (so they’ve bought tickets but need to call the airline to find out, and even the airline representatives take awhile to figure out that yes, indeed, a ticket has been purchased).
Developing…