Originally Posted by
ijgordon
Interesting - I think I may have commented upthread about issues with this in the past. I suppose either Amex has changed tack, or my problems have been with DL SkyClubs as opposed to AC's (and possibly related to SC's operated by third parties, e.g., Sodexho, where the charge does not post with the airline as merchant).
I suspect this also may be related to the MCC code the merchant is registered as.