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.

UCH has major operations at Chicago–O'Hare, Denver, Guam, Houston–Intercontinental, Los Angeles, Newark (New Jersey), San Francisco, and Washington–Dulles. Additionally, UCH's United is the largest U.S. carrier to the People's Republic of China and maintains a large operation throughout Asia. UCH uses Continental's operating certificate and United's repair station certificate, having been approved by the FAA on November 30, 2011.