United Airlines and Air China are expanding their code-sharing cooperation, covering an additional 22 routes in the China and U.S. markets. With this expansion, United and Air China will codeshare together on more than 110 routes, offering customers the most comprehensive route network between the U.S. and China.

Air China will place its CA code on United-operated flights on 12 additional U.S. domestic routes: from Los Angeles to Dallas/DFW, Cleveland, Tucson, San Antonio, New York/Newark and Seattle; from San Francisco to Salt Lake City and Austin; from Washington, D.C./Dulles to Columbus and Tampa; and from Houston/Bush Intercontinental to Tampa and Nashville. United will place its UA code on Air China-operated flights on 10 additional domestic routes in China: from Beijing to Mianyang, Taiyuan, Sanya, Shanghai Hongqiao, Yinchuan, Xining, Liuzhou, Haikou and Lanzhou; and from Shanghai Pudong to Yinchuan.

These new code-sharing routes are open on sale immediately. 

Air China and United have enjoyed a successful cooperative relationship since 2003.