United Airlines is the third largest airline in the United States of America in terms of revenue. It is a founding member of the star alliance, which is the world’s largest airline alliance with 28 airlines. United Airlines was established by its founding member Walter Varney in the year 1926. This Airline operates the domestic and international flight routes in the Asia - Pacific region. United Airlines has several hubs across the United States of America. United Airlines operates the united express has a huge domain of travelers flying on a regular basis. Some people have reported the shortcomings of United Airlines such as United Airlines Customer Service, flight, and weather-related query, baggage theft, issue of change or cancellation of flight, overbooking of passengers, and disrespectful behavior of the crew. If you feel any trouble while dealing with such kinds of problems. It is recommended you to contact our travel experts by dialing at United Airlines Customer Service Number +1 855 890 8571.