US Airways' fourth-quarter corporate revenues grew 9 percent year over year,

president Scott Kirby said Wednesday during a conference call. Year-over-year U.S. domestic corporate revenues grew nearly 9 percent and international was up 13 percent, with Kirby citing "new accounts out of Europe." Corporate revenues in the quarter grew "across the portfolio,” he said, with technology firms leading the pack. Business and leisure demand this year "remains robust," as "bookings have been up 8 percent so far compared to last year's already strong bookings," Kirby said.