U.S. airlines made $ 6.16 billion in baggage and reservation change fees last year . Comment: The combined American-U.S. Airways airline may top Delta next year .
U.S. airlines made $ 6.16 billion in baggage and reservation change fees last year . Delta Air Lines made the most money in fees , collecting more than $ 1.6 billion . The combined American-U.S. Airways airline may top Delta next year .