US Airways says April unit revenue rose 9 percent
In a monthly operating statement, the airline said passenger traffic had risen 2.1 percent, while it increased its capacity -- the number of seats for sale -- by 1.6 percent.
The airline said its load factor, which is a measure of how full airplanes are, increased 0.4 percentage point to 83 percent.
(Reporting By Kyle Peterson in Chicago; Editing by Lisa Von Ahn)