배우자명의 카드로 항공권 결제시 baggage delay 보상여부

It depends on which Chase Credit card you used to make purchase the ticket.

it is a quotation from agreement of Sapphire Preferred;

Are my Immediate Family Members covered if I am not traveling with them?

Yes. The Company will pay the corresponding benefit regardless of whether you are traveling with them, as long as you have charged some portion of a Common Carrier fare for the Immediate Family Members (minus any redeemable frequent flyer miles, Rewards points, coupons or certificates, or other types of redeemable Rewards) to your Account (subject to the terms and conditions of this description of coverage).