Originally Posted by
duhmel
Can you just cancel your flight after getting the AMEX reimbursement and get SW credit to use on any other flight? What if you use it for a refundable flight and get a refund back to the AMEX card?
Yes, that's kind of the whole point of this "hack" to use the Amex airline credit (note that if you book a WGA+ fare you can even transfer the SW credits to someone else). If you cancel the flight and get a full refund back to the Amex card, you run the risk of Amex clawing back the credit.