Has US Airways Changed From Visa To Mastercard?

As our team member visited usairwaysmastercard.com/enroll he saw the following message regarding to "Former US Airways Visa Customers."

The message reads that "if your Visa card account was recently transferred click here to set u online access. The word "transferred" is the key. What does it mean?

Probably US Airways is now using MasterCard. Thus, the airline has set up a transfer website usairwaysmastercard.com/enroll for the former Visa card customers.