Delta SkyMiles ® Gold and Platinum Card Members are not eligible. Additional Card Members on Consumer and Business Platinum Card Accounts, and Additional Card Members on Consumer and Business Centurion Accounts are also eligible for THC program benefits. Consumer and Business Gold Card, Platinum Card ® Members, and Centurion ® Members. The Hotel Collection: The Hotel Collection (THC) benefits are available for new bookings of two consecutive nights or more made through American Express Travel with participating properties and are valid only for eligible U.S.