Originally Posted by Mr. Tickets

I know a great number of people who have run into this problem. American Express is not very pro-active in checking to see if you already have a Sky Miles account or more likely they get a spiff for opening another account. I don't think there is a really good (easy) way to fix the problem. I would think that the best way is to merge the Sky Miles accounts with Delta. I think it might be best to have the NEW account be the surviving number so that Amex does not have a problem with crediting the miles correctly. Hope that helps.