美国大陆48州可用，除非是AK or hawaii居民. PLATINUM CARD COMPANION CERTIFICATE* Companion certificate is valid for one round-trip Main Cabin companion ticket with the payment of applicable taxes and fees detailed below and the purchase of certain adult round-trip fares on published routings within the 48 contiguous United States. Residents of Hawaii, Alaska, Puerto Rico, or the U.S. Virgin Islands must originate from there to the 48 contiguous United States. REDEMPTION NOTES Booking Class: Seats are limited in L, U, T, X, V class of service. All fare rules, restrictions, advance purchase requirements, and availability are per rule of Primary Ticket fare purchased. Farebasis Code/Ticket Designator: Applicable fare basis code/NN3F (paid) SCMPL8/NN3F(companion) Travel Dates: Travel must be completed by 4/30/2025 SkyMiles: Primary ticket will accrue miles. Companion ticket will not accrue miles. 先把delta的行程发给我查一下，热门航班不一定有。
PLATINUM CARD COMPANION CERTIFICATE* Companion certificate is valid for one round-trip Main Cabin companion ticket with the payment of applicable taxes and fees detailed below and the purchase of certain adult round-trip fares on published routings within the 48 contiguous United States. Residents of Hawaii, Alaska, Puerto Rico, or the U.S. Virgin Islands must originate from there to the 48 contiguous United States. REDEMPTION NOTES Booking Class: Seats are limited in L, U, T, X, V class of service. All fare rules, restrictions, advance purchase requirements, and availability are per rule of Primary Ticket fare purchased. Farebasis Code/Ticket Designator: Applicable fare basis code/NN3F (paid) SCMPL8/NN3F(companion) Travel Dates: Travel must be completed by 4/30/2025 SkyMiles: Primary ticket will accrue miles. Companion ticket will not accrue miles.
先把delta的行程发给我查一下，热门航班不一定有。