United Airlines

United Airlines, headquartered in Chicago, Illinois, is a major American carrier and a founding member of the Star Alliance, the world’s largest airline alliance. With a history dating back to 1926, United operates a comprehensive global network, serving over 300 destinations across five continents, including strong hubs in cities like Chicago, Newark, Houston, and San Francisco. Known for its expansive international reach and diverse fleet, United offers a range of services from Basic Economy to Polaris Business Class, appealing to both budget and premium travelers. The airline is also a leader in sustainability initiatives and modern fleet upgrades.