Originally Posted by
aztimm
Actually, if you do some searching here on Flyertalk, you'll find several people who have been caught. Some have been sued by the airline for the difference in fare. Now mind you, these are mostly people who did it many times for well over a year.
This of course in addition to having their frequent flyer accounts closed and miles forfeited.
I read a story in the AA forum about how the Revenue Protection people were waiting to meet a passenger when that passenger landed. It was at the B city when the passenger had made a habit of booking A-B-C and throwing away the B-C segment. They gave him the choice: pay the fare difference and the backlog of debit memos, or continue on to city C and find your own way home.