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Join Date: Sep 2009
Location: Minneapolis: DL DM charter 2.3MM
Programs: A3*Gold, SPG Plat, HyattDiamond, MarriottPP, LHW exAccess, ICI, Raffles Amb, NW PE MM, TWA Gold MM
Posts: 102,617
Could the $750 be only a pending charge (pre-authorization) on the OP's credit card. In this case, if the upgrade is cancelled fast enough, the pre-authorization might simply drop off the credit card account. There will be no refund because there was never an actual charge in this case.