When traveling to Antigua via Puerto Rico on the first day of spring break last year, we (family of 3) volunteered to get bumped twice. We were tranveling on AA FF tickets, and I asked to have the class of service changed so that I got miles on the flight on which we got bumped. It never hurts to ask. We got $5000 worth of vouchers and miles for one leg of the trip. Not bad for a free trip. and they kept thanking us for volunterring. (We got meal vouchers as well).
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DtG