Top 10 Busiest Airports in the United States (US)

Busiest Airports in the US

The United States is an extensive network of airports, which play an important role in connecting domestic and international travelers. Ranking USA’s busiest airports by passenger traffic provides interesting insights into travel trends and economic activity. In this article, look at the 10 busiest airports in the US, from the leader to the diverse competitors that follow.

Top 10 Busiest Airports in the US

Here is a table for best 10 most busiest airports in the United States with approx. number of passengers:

RankAirport (City, State)Passengers (approx.)
1Hartsfield-Jackson Atlanta International Airport (ATL)45.4 million
2Dallas/Fort Worth International Airport (DFW, Texas)35.3 million
3Denver International Airport (DEN, Colorado)33.8 million
4Chicago O’Hare International Airport (ORD, Illinois)33.1 million
5Los Angeles International Airport (LAX, California)32.3 million
6John F. Kennedy International Airport (JFK, New York)26.9 million
7Harry Reid International Airport (LAS, Nevada)25.5 million
8Orlando International Airport (MCO, Florida)24.5 million
9Miami International Airport (MIA, Florida)23.9 million
10Seattle-Tacoma International Airport (SEA, Washington)23.4 million

1. Hartsfield-Jackson Atlanta International Airport (ATL)

Hartsfield-Jackson Atlanta International Airport is the undisputed leader, with 45.4 million passengers makes the busiest airport in US. This dominance can be attributed to several factors. Atlanta Airport is a major hub for Delta Air Lines, offering domestic and international connections. Additionally, its central location makes it a convenient transfer point for many travelers. ATL’s efficient layout and focus on on-time departures further solidify its position as the busiest airport in the US.

2. Dallas/Fort Worth International Airport (DFW)

DFW takes the number two spot for most busiest airport in the US with approximately 35.3 million passengers. As a major hub for American Airlines, DFW Airport boasts a vast domestic network and strong international connections. The presence of American’s maintenance and engineering facilities at DFW contributes to its bustling activity, as numerous aircraft cycles through for maintenance, adding to the overall passenger volume. Furthermore, DFW’s extensive terminal complex and multiple runways ensure efficient handling of large passenger loads.

3. Denver International Airport (DEN)

DEN secures the third USA’s busiest airport with roughly 33.8 million passengers. This strategic location acts as a key connecting point for passengers traveling between the East and West Coasts. While not a major hub for a single airline, Denver airport benefits from its role as a focus city for United Airlines and Frontier Airlines, offering a good mix of domestic and international flights. Additionally, DEN’s unique single terminal design with a central train system facilitates efficient passenger movement within the vast airport complex.

4. Chicago O’Hare International Airport (ORD)

ORD Airport lands at number four for busiest airport in the U.S. with approximately 33.1 million passengers. This major hub for United Airlines offers a domestic network and extensive international connections. Chicago’s position as a major center for business and finance also contributes to ORD’s passenger volume. However, ORD can be notorious for delays due to its complex airspace and weather patterns.

5. Los Angeles International Airport (LAX)

LAX Airport takes the fifth spot with 32.3 million passengers as the busiest US airport. As the gateway to Southern California, LAX attracts a significant number of leisure travelers. Its role as a major hub for airlines like American, United, and Delta contributes to its extensive domestic and international network. LAX also boasts a significant cargo operation, further adding to its overall traffic.

6. John F. Kennedy International Airport (JFK)

John F. Kennedy International Airport (JFK) secures the sixth position as the USA’s busiest airport with approximately 26.9 million passengers. Serving as a major international gateway on the East Coast, JFK handles a significant volume of international traffic, with connections to nearly every continent. The presence of major airlines like American, Delta, and JetBlue at JFK Airport further contributes to its diverse network. However, JFK can experience congestion due to its multi-terminal layout and limited runway capacity.

7. Harry Reid International Airport (LAS)

Harry Reid International Airport (LAS) takes the seventh spot in the list of busiest airport in USA with a surprising 25.5 million passengers. This seemingly unlikely contender owes its high passenger volume primarily to its status as the gateway to Las Vegas, a world-renowned tourist destination. During peak travel times, LAS experiences a surge in passenger traffic due to leisure travelers flocking to the city’s casinos and entertainment options. While not a major hub for any particular airline, LAS caters to a wide range of carriers offering nonstop flights from major cities across the US.

8. Orlando International Airport (MCO)

Orlando International Airport (MCO) lands at number eight for the most busiest airport in US with approximately 24.5 million passengers. This airport thrives on the strength of Florida’s tourism industry, serving as a major hub for theme park travel. Airlines like Southwest and JetBlue have established a strong presence at MCO, offering convenient connections for families and vacationers. MCO experiences a significant peak during summer and holidays, catering to the constant rush of tourists.

9. Miami International Airport (MIA)

Miami International Airport (MIA) secures the ninth position with roughly 23.9 million passengers and one of the busiest airport in US. This airport acts as a crucial gateway to Latin America and the Caribbean, boasting a vast network of international connections. MIA is also a major hub for American Airlines, offering extensive domestic flights within the US. The airport’s status as a free trade zone further contributes to its economic activity, attracting cargo traffic alongside passenger travel.

10. Seattle-Tacoma International Airport (SEA)

SEA takes the tenth spot in the list of USA’s busiest airport with approximately 23.4 million passengers. As a major hub for Alaska Airlines, SEA offers extensive connections to destinations throughout Alaska and the Pacific Northwest. Additionally, SEA serves as a focus city for Delta Air Lines, providing a good mix of domestic and international flights. Seattle’s status as a center for technology and business also contributes to a steady stream of business travelers.

Atlanta Airport’s dominance as the busiest airport in the US is unquestionable. However, the diverse range of airports in the top 10 showcases the strength of the US air travel network, connecting passengers to all corners of the country and beyond. These busy hubs play a crucial role in facilitating trade, tourism, and overall economic activity.


What is the busiest airport in the US?

Hartsfield-Jackson Atlanta International Airport (ATL) holds the title of the busiest airport in the US, handling a whopping 45.4 million passengers.

How many passengers does the busiest US airport handle?

ATL handled a staggering 45.4 million passengers.

What are some of the other busiest airports in the US?

Other major hubs include Dallas/Fort Worth International Airport (DFW), Denver International Airport (DEN), Chicago O’Hare International Airport (ORD), and Los Angeles International Airport (LAX).

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