How a century of mergers and branding built the modern United Airlines empire
From its origins under William E. Boeing to its current status as a global aviation giant, United Airlines has navigated decades of corporate consolidation. Today, the carrier balances a massive international network with a complex identity, defined by iconic theme music, evolving cabin tiers, and a strategic headquarters in Chicago.
United Airlines traces its roots to 1916, when William E. Boeing founded the Boeing Aircraft Company. By 1931, through a series of acquisitions, the entity known as United Air Lines was established. This history of expansion continued through the 2010 merger with Continental Airlines, a pivotal event that reshaped the company's identity. While the merger retained the United name, it adopted Continental's 'globe' livery and branding, replacing the famous 'tulip' logo designed by Saul Bass in the 1970s.
The airline’s operational footprint is vast. Headquartered in Chicago’s Willis Tower, United serves as a founding member of the Star Alliance, a global network comprising 26 airlines that operate over 5,000 aircraft. Financially, the company is a powerhouse, with United Airlines Holdings reporting a market capitalization exceeding $35 billion as of January 2025. It remains a significant player in the U.S. corporate landscape, ranking 83rd on the 2025 Fortune 500 list.
United’s product strategy focuses on tiered experiences, ranging from Basic Economy to the international business class known as United Polaris. The airline has invested heavily in cabin upgrades, including the introduction of new suites for Boeing 787-9 aircraft and the 'United NEXT' initiative, which aims to equip all mainline aircraft with personal touchscreens by 2025. Beyond hardware, the brand is anchored by George Gershwin’s 'Rhapsody in Blue,' a theme song licensed in 1976 that remains a core element of its identity even after entering the public domain in 2020.
Environmental considerations now play a critical role in the airline's long-term planning. Because jet fuel accounts for more than 98 percent of its greenhouse gas emissions, United has centered its sustainability strategy on improving operational fuel efficiency and investing in low-carbon alternative fuels. This focus reflects the broader challenges facing major carriers as they balance global connectivity with the increasing necessity of reducing their carbon footprint.
Source: United Airlines
