United's shared purpose is "Connecting People. Uniting the World." We are more focused than ever on our commitment to customers through a series of innovations and improvements designed to help build a great experience: Every customer. Every flight. Every day. Together, United Airlines and United Express operate approximately 4,800 flights a day to 353 airports across five continents. In 2018, United and United Express operated more than 1.7 million flights carrying more than 158 million customers. United is proud to have the world's most comprehensive route network, including U.S. mainland hubs in Chicago, Denver, Houston, Los Angeles, New York/Newark, San Francisco and Washington, D.C. United operates 770 mainline aircraft and the airline's United Express carriers operate 559 regional aircraft. United is a founding member of Star Alliance, which provides service to 193 countries via 28 member airlines. For more information, visit united.com
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. The common stock of United's parent, United Continental Holdings, Inc., is traded on the Nasdaq under the symbol "UAL".