BizJournals -- Southwest Airlines reported a 4.1 percent increase in traffic this April, with the airline flying 6.5 billion revenue passenger miles versus 6.3 billion flown in April 2008.
BizJournals -- Southwest Airlines reported a 4.1 percent increase in traffic this April, with the airline flying 6.5 billion revenue passenger miles versus 6.3 billion flown in April 2008.