The world's largest global airline alliances in which United is a founding member was founded when?
United Continental Holdings United Continental Holdings, Inc. (formerly UAL Corporation) is a publicly traded airline holding company headquartered in the Willis Tower in Chicago. UCH owns and operates United Airlines, Inc. The company is the successor of UAL Corporation, which agreed to change its name to United Continental Holdings in May 2010, when a merger agreement was reached between United and Continental Airlines. Its stock trades under the UAL symbol. To effect the merger, Continental shareholders received 1.05 shares of UAL stock for each Continental share, effectively meaning Continental was acquired by UAL Corporation; at the time of closing, it was estimated that United shareholders owned 55% of the merged entity and Continental shareholders owned 45%. The company or its subsidiary airlines also have several other subsidiaries. Once completely combined, United became the world's largest airline, as measured by revenue passenger miles. United is a founding member of the Star Alliance.
China United Airlines China United Airlines Co., Ltd. () is a budget airline with its headquarters in Fengtai District, Beijing, China, operating scheduled flights and charter services in co-operation with local enterprises out of Beijing Nanyuan Airport, making it the only commercial airline using this airport. The airline previously had its headquarters in another area in Fengtai District, Beijing.