Chicago O’Hare International Airport is the hub for United. The airline mainly operates at the Terminal 1. United has 591 daily flights from O’Hare – 246 United Mainline and 345 United Regional. There are 545 daily flights to 159 different airports in the US from O’Hare Airport. United also has 46 direct flights to 41 international destinations – nine cities in Europe, four destinations in Asia, 21 destinations across Mexico, Latin America and the Caribbean, and seven destinations in Canada. The airline has an average of 48,700 passengers daily at O’Hare and 15,000 employees in Chicago.
Phone number of United: 1-800-538-2929
Official Website: https://www.united.com/ual/en/us/?root=1