US Airways Group, Inc. announced December, fourth quarter, and full-year 2011 traffic results. Mainline revenue passenger miles (RPMs) for the month were 4.9 billion, up 3.6 percent versus December 2010. Mainline capacity was 6.0 billion available seat miles (ASMs), up 2.2 percent versus December 2010. Mainline passenger load factor was a record 81.9 percent for the month of December, up 1.1 points versus December 2010.

US Airways' President Scott Kirby said, "Our December consolidated (mainline and Express) passenger revenue per available seat mile (PRASM) increased approximately 11 percent versus the same period last year.

"As we close the calendar year 2011, I would like to thank our 32,000 team members for doing a tremendous job of taking care of our customers during the busy holiday travel period. We finished the year with an outstanding operational performance, including our Company's best December and fourth quarter in on-time, completion factor, baggage handling and departure performance. We look forward to carrying that trend into the New Year."

For the month of December, US Airways' preliminary on-time performance as reported to the U.S. Department of Transportation was 87.8 percent with a completion factor of 99.5 percent.

The following summarizes US Airways Group's traffic results for the month, quarter and full-year ended December 31, 2011 and 2010, consisting of mainline-operated flights as well as US Airways Express flights operated by wholly owned subsidiaries PSA Airlines and Piedmont Airlines.