TEMPE, Ariz. — US Airways Group said Wednesday it swung to a first-quarter profit of $48 million, or 28 cents a share, from a loss of $114 million, or 71 cents a share, in the year-ago period.

Excluding one-time items, the carrier’s loss narrowed to 13 cents a share from 68 cents a share.

The Arizona-based company’s revenue increased 10 percent to $3.27 billion. Wall Street analysts expected US Airways to lose 25 cents a share on revenue of $3.24 billion, according to a survey by FactSet Research.

“Looking forward, as we prepare for the busy summer travel period, we continue to be encouraged with the overall strength in passenger demand,” the company said.

Shares surged four percent in premarket trade.