Delta Airlines is a corporation with an active negotiated corporate travel program with negotiated corporate hotel rates spanning 2 chains. Delta Airlines corporate codes are active at Radisson Rewards, Marriott Bonvoy. The Radisson Rewards code (43648) is rated low risk — most front-desk agents accept it without documentation. The Marriott Bonvoy code (DLA) is rated medium risk — occasional ID or pay-stub verification may apply. Delta Airlines codes show mixed verification risk: low-risk codes dominate at certain chains while others apply stricter checks. Of 2 total codes, 1 is rated low risk, 1 medium, and 0 high risk. For the lowest verification risk, the Radisson Rewards code (43648) is the recommended starting point. Codes are accepted globally, though enforcement varies by region and property. When booking, enter the Delta Airlines corporate account number at the hotel's checkout page or call the property directly to apply the negotiated rate.
先从最低风险品牌开始，再决定是否为了价格去尝试中高风险品牌。