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United Airlines holds significant shares at major US airports

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United Airlines holds significant shares at major US airports
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United Airlines | Official Website

United Airlines, one of the largest airlines in the United States, reports its top passenger hubs. The airline, which serves over 300 destinations worldwide and flies around 140 million passengers annually, holds significant market positions in several major U.S. airports.

United has a dominant presence at Newark Liberty International Airport in New Jersey, with a 58.36% share of the passenger traffic. This airport, which serves the greater New York City area, is the only major U.S. airport where United holds an absolute majority.

According to the Bureau of Transportation Statistics, United's largest passenger hub is Denver International Airport, with 14.4 million passengers and a 38.16% airport share. Following Denver is Chicago O'Hare International Airport, capturing 30% of the airport's traffic with 12.5 million passengers, and Newark Liberty with 9.86 million passengers. Houston George Bush Intercontinental Airport is also significant, accounting for 9.4 million passengers and a 39.06% share, while San Francisco International Airport has 7.83 million passengers and a 44.41% share.

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In March 2025, Cirium data shows United is scheduled to operate the most flights from Chicago O'Hare, with 32,562 flights and 4 million seats. Denver follows closely with 31,169 flights, but it carries slightly more seats (4,033,296) due to larger aircraft. Other major hubs include Houston, Newark, and San Francisco, with thousands of flights and millions of seats collectively.

At Newark Liberty, United holds a 67.4% market share, carrying 32.9 million passengers, including 24.2 million domestic and 8.7 million international travelers. Spirit Airlines, JetBlue, and American Airlines, among others, also operate at the airport but with significantly smaller shares. While United and JetBlue offer international flights from Newark, Spirit, American, Delta, and Alaska operate domestic services only.

The Federal Aviation Administration (FAA) has been focusing on increasing competition at Newark by redistributing slot permissions—take-off and landing permissions at congested airports. In late 2024, due to planned construction projects, the FAA relaxed slot requirements at Newark, impacting airport operations through 2026.

Across the airline industry, United's main competitors include American Airlines, Delta Air Lines, and Southwest Airlines, each with their own major hubs. American Airlines is most significant at Dallas/Fort Worth, Charlotte, and Miami, while Delta dominates Atlanta, Minneapolis, and Salt Lake City. Southwest Airlines' primary focus is domestic flights, holding a significant presence in Denver, Dallas, and Baltimore.

Overall, United Airlines continues to maintain its key positions across major U.S. airports, reflecting its substantial role in the industry.

Organizations Included in this History
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