Interesting facts
about hub airport

  • The concept of a hub airport is based on the “hub-and-spoke” model, where all flights are routed through a central “hub”, allowing airlines to offer more flights for less cost.
  • Hub airports are usually dominated by one or two airlines. These airlines tend to have the most flights in and out of the hub and may offer more competitive pricing.
  • Due to the volume of passengers, hub airports often have extensive facilities like numerous restaurants, duty-free shops, lounges, and sometimes features like hotels, museums, or entertainment zones.
  • King Fahd International Airport in Dammam, Saudi Arabia, is the largest airport in the world by total area, spanning approximately 780 square kilometers.
  • Singapore’s Changi Airport, a major hub in Asia, is more like a lifestyle destination. It boasts a 10-story, Jewel complex, featuring a 130-foot-tall indoor waterfall, botanical gardens, and over 280 retail and dining outlets.
  • A US airport hub, The Denver International Airport, has been the subject of various conspiracy theories due to its unique art installations and the shape of the runways.

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The advantages of flying through a hub airport

There are several advantages to flying through a hub airport.

  • More flight optionsthan in non-hub airports. This is because airlines typically fly more routes to and from their hubs.
  • Lower fares: Hub airports often have lower fares than non-hub airports. This is because airlines can offer lower fares when they have more flights to and from a destination.
  • More frequent flights - helpful if you are traveling on a tight schedule.
  • More amenities. This includes things like restaurants, shops, and lounges.
  • More convenient connections - airlines typically have more flights arriving and departing from hub airports.

Which airlines have the largest hub airports?

The largest hub airports are usually dominated by one or several major airlines.

Delta Air Lines operates its primary hub at Hartsfield-Jackson Atlanta International Airport ATL, while United Airlines has a significant presence at Chicago O'Hare International Airport ORD. American Airlines operates out of Dallas/Fort Worth International Airport DFW, and British Airways focuses its operations at London Heathrow Airport LHR. Emirates Airlines runs its central hub at Dubai International Airport DXB.

What are the busiest hub airports in the world?

The world's busiest airports by passenger traffic are:

  1. Hartsfield-Jackson Atlanta International Airport, USA
  2. Beijing Capital International Airport, China
  3. Los Angeles International Airport, USA
  4. Dubai International Airport, UAE
  5. Tokyo Haneda Airport, Japan
  6. Chicago O'Hare International Airport, USA
  7. London Heathrow Airport, UK
  8. Shanghai Pudong International Airport, China
  9. Paris Charles de Gaulle Airport, France
  10. Dallas/Fort Worth International Airport, USA

These airports are all major hubs for airlines, with a large number of flights and destinations that connect through them. They are renowned for their exceptional amenities, seamless transfer processes, and high-quality services.

Major hub airports in the US

Some of the major hub airports in the United States are Hartsfield-Jackson Atlanta International Airport (Delta Air Lines), Dallas/Fort Worth International Airport (American Airlines), Chicago O'Hare International Airport (United Airlines), Denver International Airport (United Airlines and Southwest Airlines), and Los Angeles International Airport (American Airlines and United Airlines).

These airports serve as primary gateways for domestic and international travel, facilitating millions of passengers every year.

Major hub airports in Europe

In Europe, the major hub airports include London Heathrow Airport (British Airways), Frankfurt Airport (Lufthansa), Paris Charles de Gaulle Airport (Air France), Amsterdam Schiphol Airport (KLM Royal Dutch Airlines), and Istanbul Airport (Turkish Airlines).

These airports are strategically located to cater to passengers traveling within Europe or connecting to other continents, offering a wide range of services and amenities.

Major hub airports in Australia and New Zealand

Sydney Kingsford Smith Airport and Melbourne Airport are the primary hub airports in Australia, with Qantas Airways and Virgin Australia operating extensive route networks from these locations.

In New Zealand, Auckland International Airport serves as the main hub for Air New Zealand, connecting passengers to domestic and international destinations across the Asia-Pacific region and beyond.

Major hub airports in Asia

Asia's major hub airports include Tokyo's Haneda and Narita Airports (Japan Airlines and All Nippon Airways), Singapore Changi Airport (Singapore Airlines), Hong Kong International Airport (Cathay Pacific), Incheon International Airport (Korean Air and Asiana Airlines), and Bangkok's Suvarnabhumi Airport (Thai Airways).

These airports provide passengers with an extensive range of connections, as well as high-quality services


  1. Wikipedia, Airline hub
  2. Changi Airport, Airport guide
  3. Dubai International Airport, Services