United Airlines and United Express operate an average of 5,000 flights a day to 336 airports across six continents. In 2015, United and United Express operated more than 1.5 million flights carrying more than 140 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 more than 715 mainline aircraft, and this year, the airline anticipates taking delivery of 21 new Boeing aircraft, including 737 NGs, 787s and 777s. The airline is a founding member of Star Alliance, which provides service to 192 countries via 28 member airlines. Approximately 86,000 United employees reside in every U.S. state and in countries around the world.