On June 28, Ctrip Group and 22 domestic airports jointly held the Fly and Enjoy China, Check-in Flash Cities launch event in Xi’an. During the ceremony, they announced the establishment of a marketing alliance and launched a flying check-in reward campaign. This is the first marketing alliance initiated by an online travel service provider and multiple airports in China. It aims to expand aviation and tourism by sharing marketing resources, promoting mutual discounts, and linking benefits, thereby boosting both airport passenger throughput and destination cultural tourism consumption.