Originally Posted by
jdrtravel
You could add him to your Amex account as a cardholder. You can add up to three more cards for $175 (not each, you pay $175 and then you can have 1, 2 or 3 more cards.
Another option is for him to get his own Delta Amex card, like the gold or platinum. Could be a good first credit card if he is responsible enough to have one. Those cards allow access for $29 per entry to the cardholder.
Can't apply for a credit card until you're 18. You could add him as an additional card holder for a Gold or Platinum Delta AMEX card and then he could get into the club for $29. It is hit or miss whether they ID, some people are able to get through.