Top 10 Busiest Airports in the US that You should Know

Top 10 Busiest Airports in the US that You should Know

June 22, 2021

The United States has multiple airports. Due to the huge size of the US, airlines play an important role in letting you travel from one place to another. Surprisingly, the United States has many busiest airports. Amongst them, the top 10 Busiest Airports in the US are going to be discussed here. We will also be mentioning the details of these airports such as their airport codes, ICAO code, etc.

1. Chicago O’Hare International Airport

The IATA code of Chicago O’Hare International Airport is ORD. The ICAO code for this airport is KORD. Recognized by the ORD airport code, the location of the airport in Chicago. It is operated by the Chicago Department of Aviation. The Chicago O’Hare International Airport (ORD) is one of the most occupied airports on the list. This airport was named after the first Medal of Honor recipient in the US Navy during World War 2. The airport was established in the late twentieth century. It has been the busiest airport since 1963. At present, it serves over 80 million flyers per year. It has two nearby alternatives if required, Midway Airport and Chicago Gary Airport. Known by the Chicago O’Hare International Airport code, this airport accounts for 20% of the country’s flight cancellations.

2. Los Angeles International Airport

The allotted IATA code of Los Angeles International Airport is LAX along with KLAX as its ICAO code. As it is surrounded by the Metropolitan area, this one has been normalized as the primary international airport that serves Los Angeles. It is operated by Los Angeles World Airports. This airport is renowned for major airlines such as Alaska Airlines, Delta Airlines, American Airlines, and United Airlines. LAX has been established in Westchester in Downtown Los Angeles. 88,068,013 passengers used the airport in 2019. It happens to be the next Busiest Airports in US. Interestingly, LAX utilizes therapy dogs to help the travellers under the Pets Unstressing Passenger program.

3. Cancun International Airport

The IATA code assigned to the Cancun International Airport is CUN. Its ICAO code is MMUN. Having the CUN airport code, its location is Cancún, Quintana Roo on Mexico’s Yucatán Peninsula. Grupo Aeroportuario del Sureste is the operator of the airport. After Mexico City International Airport, this one comes second in Mexico and third in Latin America’s busiest airports. Due to the COVID-19 surge, Cancún International Airport accounts for 12,259,148 passengers in 2020 by a decrease of 51.89% as compared to 2019. Recognized by the Cancun International Airport Code, this airport is a hub for MAY Air. It provides flight services to over twenty destinations in Mexico along with over thirty countries in South, Central, North America, and Europe.

4. Chicago Rockford International Airport

The IATA code of Chicago Rockford International Airport is RFD. The ICAO code of this airport is KRFD. Identified by the RFD Airport Code, it is located in Winnebago County in Illinois and is around 85 miles away from northwest Chicago. The RFD airport came into existence in 1946 and has been operated by Greater Rockford Airport Authority ever since. Being one of the highly engaged airports it has served 191,000 total travellers in the year 2018. Also, the cargo witnessed 457 million lbs. in the same year. The airport having the Chicago Rockford International Airport code is a major hub for UPS Airlines. Apart from that, it facilitates other airlines including Allegiant Air and Amazon Air. It offers multiple domestic and international services and can be made available to flyers.

5. Chicago Midway International Airport

The IATA code for Chicago Midway International Airport is MDW. The ICAO airport code for the same is KMDW. This Airport is commonly known as Midway Airport or Chicago Airport. The name has been assigned with respect to the Battle of Midway. It is one of the major commercial airports in Chicago, Illinois, and is situated 8 miles away from Loop. Before the establishment of O’Hare International Airport, Chicago Airport served as the primary airport. Its operator is the Chicago Department of Aviation. At present, in the Chicago Metropolitan area, this airport with the MDW Airport Code is the second largest airport. It had to handle 20,844,860 passengers in 2019. Here, the most important airlines are Southwest Airlines which takes responsibility for 95% of flyers. Major Airlines that serve to and from, are Allegiant Air, Delta Airlines, Porter Airlines, and Volaris.

6. Denver International Airport

The IATA code of Denver International Airport is DEN. Its ICAO code is KDEN. Natively, this is known as DIA. It is an international airport. In the Western part of this country, it is the busiest airport in the US. After King Fahd International Airport, this one holds the place of the second largest airport in the world. The owner and operator of this airport are the City & County of Denver Department of Aviation. This airport is the hub for two airlines, Frontier Airlines and United Airlines. As per the 2020 statistics, 33,741,129 passengers used the service of DEN airport amid the COVID-19 surge. It is also famous for its huge parking lot which can comprise 30 football fields.

7. Bill & Hillary Clinton National Airport

The IATA code of Bill & Hillary Clinton National Airport is LIT and its ICAO code is KLIT. Recognized by the LIT airport code, it is also known as Clinton National Airport, Adams Field, or Little Rock Municipal Airport. As a national airport, its location is on the east side of Little Rock in Arkansas. The operator of the LIT airport is the Little Rock Municipal Airport Commission. Well-known by the Bill & Hillary Clinton National airport code, it is accredited as one of the most occupied airports. It had to hold 2,241,716 of the total number of passengers in 2019. In Arkansas, this is the largest commercial airport. No direct international flight service is found here. Despite being a domestic airline, it is a crowded one.

8. Hartsfield – Jackson Atlanta International Airport

The Hartsfield – Jackson Atlanta International Airport code for IATA is ATL. Apart from the IATA code, the ICAO code of the airport is KATL. Other names for the airport are Atlanta Airport, Hartsfield, Atlanta Hartsfield – Jackson International Airport, or Hartsfield – Jackson. It is situated in the South of the Downtown Atlanta district. The name of the airport is based on the former Atlanta mayors William B. Hartsfield and Maynard Jackson. It is one of the busiest airports in US as well as in the world. This airport is operated by the Atlanta Department of Aviation. It hosts Delta Airlines. Several flyers used the airport facilities in 2020 and their number was 42,918,685. Despite being the busiest airport in US, it is the most efficient airport amongst all the others. It has always maintained the quality of its services. 80% of the U.S. population can reach here by taking a two-hour flight. Also, it is the largest employer in Georgia where almost 63,000 employees work.

9. Columbus Air Force Base Airport

Owing to the air force, the Columbus Air Force Base Airport is the busiest airport in the US. The IATA code of Air Force Base Airport is CBM. Its ICAO code is KCBM. The location of the airport is Columbus in Mississippi. Identified by its CAE Airport code, this airport is famous as the United States Air Force Base. This airport is the 14th Flying Training Wing as a part of Air Education and Training Command (AETC). The air force-based airport is being operated by the US Air Force. In 1955, it was shifted to Strategic Air Command and was transferred back to Air Training Command in 1969. It was taken up by the 3650th Pilot Training Wing. In 1972, it became the 14th Flying Training Wing.

10. Dallas/Fort Worth International Airport

The assigned IATA code for Dallas/Fort Worth International Airport is DFW and it has the ICAO code KDFW. It is the elementary international airport that serves the Dallas & Fort Worth metropolitan area in Texas in the United States. The operator of this airport happens to be the DFW Airport Board. Apart from being the busiest airport in the US, it is also the world’s fourth most occupied airport. The major airlines of this airport are American Airlines, UPS Airlines, and Ameriflight. As per the 2020 year statistics, around 39,364,990 passengers were handled by the DFW airport. The airport provides flights to and from 193 domestic as well as 67 international airports. The only Airport in the world which has 7 operational runways happens to be this one.


As compared to all the other nations, the US holds a massive number of airports in the world. Despite having the busiest airports in the US, all of them take care of the basic amenities of a passenger. Also, the US being the hub of numerous airports, each airport suggests an alternative in case of any cancellations. All the above airports are easily accessible to the people. The above-mentioned airports play an important role in the United States’ commercial as well as social welfare. We hope that you will acknowledge the information given in this blog.

Leave a Reply

Your email address will not be published. Required fields are marked *

You may use these HTML tags and attributes: