Jazmin Li
Hartsfield-Jackson Atlanta International Airport has been the world's busiest airport for 26 out of the last 27 years, with 108 million passengers in 2024. However, when it comes to the best airport in the world, Singapore Changi takes the top spot, with its 10-story shopping mall, multiple indoor gardens, and the world's largest indoor waterfall. Hamad International Airport in Qatar is a close second, with its splendid architecture and luxurious offerings. Dubai International Airport and Dallas Fort Worth International Airport are also among the busiest airports in the world, while Hong Kong International Airport is the leader in air cargo volumes.
| Characteristics | Values |
|---|---|
| Busiest airport in the world by passenger traffic | Hartsfield-Jackson Atlanta International Airport, Georgia |
| Second busiest airport by passenger traffic | Dubai International Airport |
| Third busiest airport by passenger traffic | Dallas Fort Worth Airport |
| Busiest airport by international traffic | Dubai International Airport |
| Busiest city airport system by passenger count | London |
| Country with the most airports in the top 50 list | United States |
| Region with the most airports in the top 50 list | North America |
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What You'll Learn
- Hartsfield-Jackson Atlanta International Airport (ATL) is the world's busiest airport
- Dubai International Airport (DXB) is the world's second busiest airport
- Dallas Fort Worth International Airport (DFW) is the world's third busiest airport
- Denver International Airport (DEN) is the world's sixth busiest airport
- O'Hare International Airport (ORD) is the world's eighth busiest airport
Hartsfield-Jackson Atlanta International Airport (ATL) is the world's busiest airport
Hartsfield-Jackson Atlanta International Airport (ATL) has been ranked as the world's busiest airport for 26 out of 27 years. In 2024, the airport saw more than 108 million passengers, a 3% increase from the previous year. This remarkable volume of passengers has earned ATL the top spot in the Airports Council International's annual rankings. The airport serves as the home base and megahub for Delta Air Lines, leveraging facial recognition technology for faster check-ins.
Hartsfield-Jackson Atlanta International Airport's position as the world's busiest is further emphasized by the fact that it handled the highest number of passengers among all airports during the record-setting year for global air travel in 2024. The Transportation Security Administration's ten busiest days at airport security checkpoints in the US all occurred in 2024, with over 3 million passengers traveling on December 1, 2024, making it the busiest day ever in US aviation history.
The airport's efficiency in managing such high passenger traffic is exemplified by the "airport theory" trend on TikTok, where travelers aim to arrive at the airport just 15 minutes before their flight boards. While this trend is not recommended by airlines, it showcases the streamlined processes enabled by digital technologies and efficient infrastructure at Hartsfield-Jackson Atlanta.
Hartsfield-Jackson Atlanta International Airport's dominance is closely followed by Dubai International Airport (DXB), which held its position as the runner-up in 2024 with over 92 million passengers. Among the top ten busiest airports worldwide, four are located in the United States, including Dallas Fort Worth International Airport (DFW), Denver International Airport (DEN), and Chicago's O'Hare International Airport (ORD).
As Hartsfield-Jackson Atlanta International Airport continues to lead in passenger traffic, the aviation industry is witnessing a rebound in air travel, with projections of a nearly 5% increase in global passenger boarding in 2025.
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Dubai International Airport (DXB) is the world's second busiest airport
The airport's growth has been impressive, with a strong recovery and robust growth in its customer base in 2022, leading to an annual passenger count of 66 million. This growth outpaced the annual forecast, and in 2023, the airport handled 87 million passengers and 1.81 million tonnes of cargo, with 416,405 aircraft movements. Dubai International Airport is the busiest airport for Airbus A380 and Boeing 777 movements and has the highest average number of passengers per flight globally.
The airport's master plan initially involved a dual-terminal and single-runway configuration, with provisions for future expansion. The development has progressed in multiple phases, with Terminal 2 opening in 1998, followed by the Sheikh Rashid Terminal in 2000. The airport also features a hotel, business centre, health club, dining and entertainment facilities, and a specialist flower centre, as Dubai is a hub for the import and export of flowers.
Dubai's government has announced the construction of a new airport, Dubai World Central – Al Maktoum International Airport, which opened in 2010 but is not expected to be completed until 2027. This new airport is intended to accommodate up to 160 million passengers and will be connected to Dubai International Airport by the Dubai Metro Purple Line. Despite the competition from the new airport, Dubai International Airport is expected to remain the region's busiest for the foreseeable future due to its convenient location near the city of Dubai.
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Dallas Fort Worth International Airport (DFW) is the world's third busiest airport
DFW Airport serves 254 destinations, including 191 domestic and 63 international locations, with service from 28 passenger airlines. It is the largest hub for American Airlines, which is headquartered near the airport, and it offers multiple security checkpoints in each terminal for the convenience of travellers. DFW was also the first airport in North America to achieve carbon-neutral status and is currently the largest carbon-neutral airport in the world.
The airport is located between the major cities of Dallas and Fort Worth in Texas and covers portions of Dallas and Tarrant counties. It was opened for commercial service as Dallas/Fort Worth Regional Airport on January 13, 1974, at a cost of $875 million, making it the largest airport in the world in terms of land area at the time. The name was changed to Dallas/Fort Worth International in 1985, and it has since become a busy and important aviation hub, contributing significantly to the region's economy.
DFW Airport has received recognition for its quiet policy, which promotes a calm and peaceful atmosphere for travellers. It has also been named the "Best Airport in North America Serving Over 40 Million Passengers" for three consecutive years. With its ongoing construction activity and focus on improvement, DFW Airport continues to enhance the travel experience for its customers.
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Denver International Airport (DEN) is the world's sixth busiest airport
Denver International Airport (DEN) is one of the world's busiest airline hubs. In 2023, it was ranked the sixth busiest airport in the world, serving around 77.8 million passengers, a 12% increase from the previous year. DEN has been among the top 20 busiest airports in the world every year since 2000.
Denver International Airport is Colorado's primary economic engine, generating $47.2 billion in annual economic impact for the state. The airport covers 52.4 square miles (34,000 acres or 137 square kilometres) of land, making it the largest airport site in North America and the second-largest in the world. DEN's area is twice the size of Manhattan and larger than the cities of Boston, Miami, and San Francisco.
The airport's award-winning architecture and magnificent views of the Rocky Mountains create a unique atmosphere for travellers. The Jeppesen Terminal's internationally recognised peaked roof, designed by Fentress Bradburn Architects, reflects the snow-capped mountains and evokes the early history of Colorado, when Native American teepees dotted the Great Plains.
DEN has one terminal and three midfield concourses, with a total of 169 gates in operation as of early 2025. Concourse A is accessible directly from the terminal building or via the underground train system that services all three concourses. Concourses B and C can only be accessed via the train. All international arrivals without border pre-clearance are processed in Concourse A.
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O'Hare International Airport (ORD) is the world's eighth busiest airport
OHare International Airport, also known by its IATA code ORD, is one of the busiest airports in the world. Located in Chicago, Illinois, United States, it is the primary international airport serving the city, situated approximately 17 miles (27 km) northwest of the Loop business district. OHare accommodated more than 80 million passengers in 2024, making it the eighth busiest airport in the world in terms of passenger traffic. It also ranked as the second busiest airport worldwide for flights, with 776,036 flights, just behind Hartsfield-Jackson Atlanta International Airport (ATL), which had 796,224 flights.
OHare International Airport's history dates back to World War II when it served as an airfield for a Douglas manufacturing plant producing C-54 military transports. During the mid-1940s, it was renamed Orchard Field Airport and was extensively used by the United States Air Force during the Korean War. The airport's IATA code, ORD, is a remnant of this era and has no connection to the airport's current name or location.
Over the years, OHare has undergone significant development, with Chicago investing over $25 million initially. The airport has continued to expand and improve its facilities, with ongoing projects expected to cost around $8.5 billion. These projects include the construction of two satellite terminals, scheduled for completion in 2028, and overall completion targeted for 2030.
OHare International Airport serves as a hub for both United Airlines and American Airlines, contributing to its high volume of passengers and flights. The airport's efficient operations and convenient location make it a preferred choice for travellers, ensuring its position as one of the world's busiest airports.
In 2024, OHare International Airport (ORD) is projected to experience even more growth, with an 11% increase in the total number of seats planned for the summer compared to the previous year. This growth underscores the airport's significance in global aviation and its appeal to major airlines seeking to expand their routes and destinations.
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Frequently asked questions
Hartsfield-Jackson Atlanta International Airport (ATL) has been the world's busiest airport for 26 out of 27 years. In 2024, the airport saw more than 108 million passengers.
Dubai International Airport (DXB) was the second busiest airport in 2024, with more than 92 million passengers.
Dallas Fort Worth International Airport (DFW), Denver International Airport (DEN), and Chicago O'Hare International Airport (ORD) were among the busiest airports in the US in 2024.
Busy airports often have unique features to enhance the guest experience. For example, many airports now feature local eateries and restaurants to make the airport feel more welcoming and authentic to the locale.
Yes, Tampa Airport made headlines with a creative social media post about its 100 nonstop destinations and public art program, featuring a large flamingo nicknamed "Phoebe" by the community. Additionally, Reagan National Airport in Arlington, Virginia faced management changes after a violent altercation in the control tower.
