United Airlines and Air China have expanded codeshare agreements to 22 additional routes,

the carriers announced. As of Tuesday, Air China shares its code on United flights from Los Angeles to Dallas/Fort Worth, Newark, Seattle, San Antonio, Tucson and Cleveland; San Francisco to Austin and Salt Lake City; Houston to Tampa and Nashville; and Dulles to Tampa and Columbus. United has added its code on Air China flights from Beijing to Shanghai Hongqiao, Mianyang, Taiyuan, Sanya, Yinchuan, Xining, Liuzhou, Haikou and Lanzhou; and from Shanghai Pudong to Yinchuan. The two carriers, both Star Alliance members, now share codes on more than 110 routes.