The world’s busiest airports ranked: Atlanta wins again


The numbers are in … and once again, it’s Atlanta.

In 2025, Hartsfield-Jackson Atlanta International Airport (ATL) earned the title of the busiest airport — not just in America, but in the world.

It’s the 27th time in 28 years that the Georgia hub, home base to Delta Air Lines, has been able to make that claim.

That’s according to the annual rankings out Tuesday from Airports Council International, which runs down the top 10 busiest airports in the world based on the number of passengers that passed through the previous year.

ATL has occupied the mantle for most of this century — and did again in 2025 despite Chicago’s O’Hare International Airport (ORD) stealing many of the headlines in recent months amid a rapid build-up in flights offered by two major airlines. (More on that below …)

That build-up in air service did see O’Hare rise to be America’s third-busiest airport in 2025, trailing only ATL and American Airlines’ Dallas Fort Worth International Airport (DFW) mega-hub.

Elsewhere in the world, Dubai International Airport (DXB) maintained its runner-up status on the global stage, and the Tokyo hub most convenient to the city center earned a spot on the proverbial podium.

What is the busiest airport in the world?

Here’s a rundown of the world’s 10 busiest airports.

Ranking Airport 2025 passengers 2024 ranking

Hartsfield-Jackson Atlanta International Airport

106,302,208

1

Dubai International Airport (DXB)

95,192,160

2

Tokyo’s Haneda Airport (HND)

91,679,814

4

Dallas Fort Worth International Airport (DFW)

85,660,127

3

Shanghai Pudong International Airport (PVG)

84,994,227

10

Chicago’s O’Hare International Airport (ORD)

84,814,099

8

London’s Heathrow Airport (LHR)

84,482,126

5

Istanbul Airport (IST)

84,437,710

7

Guangzhou Baiyun International Airport (CAN)

83,582,952

Not ranked in top 10

Denver International Airport (DEN)

82,427,962

6

Shanghai’s PVD made the biggest gains in 2025, jumping from tenth-busiest in the world to a top-five finish.

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O’Hare also jumped two spots, with the big increase in flights leading to 6% more passengers passing through its terminals last year, versus 2025.

ORD did lead the world in one category: the total number of takeoffs and landings, which spiked by nearly 11% versus the prior year.

And that lead was likely set to widen in 2026 as top carriers United Airlines and American added flights at a rapid pace in recent months, amid an escalating aviation turf war. The Federal Aviation Administration is expected to intervene, though, to avoid congestion and — ultimately — flight delays.

Other rankings of note: London’s Heathrow Airport (LHR) fell from fifth-busiest in the world to seventh, and Denver International Airport (DEN) dropped from sixth place to tenth.

Dubai, London and Seoul’s Incheon Airport (ICN) led all global hubs when measured by the number of international passengers that passed through last year.

Busiest airports in America, ranked

As noted above, four airports in America finished among the world’s top 10.

That means the four busiest airports in America last year were:

  1. ATL
  2. DFW
  3. ORD
  4. DEN

Atlanta extending its lead as the busiest airport in the world — and in America — was helped by Delta growing its total departures from the hub by more than 6% in 2025, according to data from aviation analytics firm Cirium.

However, as TPG reported earlier this year, a recent pullback at ATL by perennial second-place finisher Southwest Airlines has given the airport a new de facto No. 2 airline.

That label last year belonged to budget carrier Frontier Airlines.

TPG’s aviation managing editor Ben Mutzabaugh broke down this shakeup in a post you’ll find exclusively on our Substack channel, Talking Points.

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About Big Data Tool?

Big data is open source software where java frames work is used to store, transfer, and calculate the data. This type of big data software tool offers huge storage management for any kind of data. Big data helps in processing enormous data power and offers a mechanism to handle limitless tasks or operations. The major purpose to use this big data used to explain a large volume of complex data. Big data can be differentiated into three types such as structured data format, semi-structured data format, and unstructured data format. One more point to remember, it’s impossible to process and access big data using traditional methods due to big data growing exponentially. As we know that traditional methods consist of the relational database system, sometimes it uses different structured data formats, which may cause failure in the data processing method.

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ETL can be abbreviated as “Extract, transform, and Load”. ETL is a simple process to move your data from one source to multiple warehouses. The ETL process is considered to be a crucial step in the big data analysis process. ETL tools in big data applications help users to perform fundamental three processes. (they are ETL processes). With the help of this ETL tool, users can move their data from one source to a destination. The main functions of the ETL process included data migration, coordinating the data flow, and executing all the large or complex volume of data. The following are basic fundamental concepts of ETL tools;

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2. Talend or Talend open studio for data integration tool:

Talend is one of the popular big data tools, and also a cloud integration software tool. This tool is built on an architecture type known as Eclipse graphics. The talend big data tool also supports cloud-based and on premise database structure. This tool also provides important software popularly known as “SaaS”. It provides a smooth workflow and easy to adapt to your business.

3. Informatica big data tool:

Informatica is one of the on-premise big data ETL tools. This tool also supports the data integration method by using traditional databases. So this tool enables users to deliver data-on demand, we can also call it real-time and data capturing support. This tool is best suited for large scale business organizations.

The following are the key features of the Informatica tool:

1. Advanced level data transformation

2. Dynamic partitioning

3. Data masking.

4. IBM infosphere information server:

IBM infosphere information server works similar to the Informatica tool. This tool is widely used in an enterprise product for large business organizations. IBM infosphere also supports cloud version and hosted on IBM cloud software. This big data tool works well with mainframe computer devices. It also supports data integration with various cloud data storage are, AWS S3, and Google storage. Parallel data processing is one of the prominent features of the IBM infosphere information tool.

5. Pentaho data integration tool:

Pentaho is an open-source big data ETL tool. This tool is also known as Kettle. The Pentaho tool mainly focuses on batch-level ETL and on-premise use cases. This is designed on the basis of hybrid and multiple cloud-based architectures. The main functions of Pentaho included are data migration, loading large volumes of data, and data cleansing. It also provides a drag and drop interface and a minimum level of the learning curve. In the case of ad-hoc network analysis, the Pentaho tool is better than Talend as it offers ETL procedures in markup languages such as XML.

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6. Clover DX big data tool:

Clover DX big data tools is a fully java-based ETL tool to perform rapid automation and data integration processes. This tool supports data transformations across multiple data sources and data integration with emails, JSON, and XML data sources. The clover DX offers job scheduling and data monitoring methods. Clover DX also provides a distributed environment set up so that you can get high scalability and availability. If you are looking for an open-source big data ETL tool with a real-time data analysis process, then using Clover DX is the best choice. With the help of this Clover DX user can also perform deployment of data workloads on a cloud level on-premise.

7. Oracle data Integrator big data tool:

Oracle data integrator is one of the popular tools developed by Oracle Company. It also combines the features of the proprietary engine with the ETL big data tool. This is a fast tool and requires minimal maintenance tasks. With the help of this tool, users can also load plans by using one or more data sources. Oracle data integrator tool also capable of identifying the fault data and recycles them before it reaches the destination. Some of the examples for oracle data integrator tools is, IBM DB2 and Exadata, etc.

The important features included are;

1. Perform business intelligence

2. Data migration operation

3. Big data integration

4. Application integration.

If you want to have big data that should be deployed on the cloud management service, then Oracle data integrator is the right choice. It also supports data deployment using a bulk load, cloud and web services, batch and real-time services.

8. StreamSets big data ETL tool:

Stream sets are Data ops ETL tools. This tool supports monitoring and various data sources and destinations for data integration. The stream set is a cloud-optimized and real-time big data ETL tool. Many business enterprises make use of stream set tools to consolidate data sources for data analysis purposes. This tool also supports data protectors with larger data security guidelines such as GDPR and HIPAA.

9. Matillion tool:

Matillion ETL tool built especially for Amazon Redshift, Google Big Query, Azure Synapse, and Snowflake. This is the best suited tool used between raw data and Business intelligence tools. It is also used for the compute-intensive activity of loading your data on-premise environment. This is a highly scalable tool due to it being specially built to take over the data warehouse features. The matillion tool also helps to automate the data flows and provides a drag-drop web browser user interface to ease the ETL tasks.

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Conclusion:

In this Big data ETL tool blog, we have discussed popular big data tools, which are designed based on various terms and factors. With the help of this blog, you can choose any type of ETL tool according to your business requirements. For example, if you want to work with an open-source big data ETL tool, then you can choose Clover DX and Talend tool. If you want to work with pipelines, then you can choose the Hevo ETL tool. As per Gartner’s report, almost 65% of big companies use big data software to control an enormous amount of data. So learning this blog may help you to be a master in big data software.



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