Top 12 Biggest Airlines in the USA

Regional airlines mainly fly planes with up to 76 seats. While most mainline airlines have over 100 seats, some regional airlines operate with only 50 to 76 seats.

In 2020, the total number of airlines in the US has reach 59. Of these, 18 are major carriers with annual revenue of over one billion US dollars.

Below are the mainline passenger airlines in the US:

Alaska Airlines

Alaska Airlines is the fifth-largest airline in the US-based in SeaTac, Washington. It provides service to over 50 destinations in the US. Alaska Airlines is a 3-Star Airline. This rating is given to the quality of its onboard and airport product and service.

In January 2021, travelers entering the US from a foreign country are required to complete a COVID-19 test before they board their flight. The test should be completed within 3 days of departure.

Non-alcoholic drinks and small bites are also served on most flights. If you like these items, you may purchase them from the inflight menu.

Allegiant Air

  • Founded: 1997
  • CEO: Maurice J. Gallagher, Jr.
  • Headquarter: Las Vegas, Nevada, United States
  • Phone: (702) 505-8888
  • Website:

Allegiant Air is an American low-cost airline that operates charter flights. Allegiant Air is a 3-Star Low-Cost Airline with a product and staff service rating of 3.5 stars.

Allegiant Air filed for bankruptcy protection on Wednesday, five days after it stopped operating at Lake Tahoe. The company cited its only profitable flight as the reason for its bankruptcy filing.

American Airlines

  • Founded: Avco
  • CEO: Doug Parker
  • Headquarter: Fort Worth, Texas, United States
  • Phone: 800-433-7300
  • E-mail:
  • Website:

American Airlines is the world’s largest airline. It operates a fleet of around 3,400 planes. It flies to over 60 countries and carries over 6,700 passengers per day.

American Airlines is a leading provider of air transportation. The company’s network air carrier operates a fleet of planes and provides passenger and cargo transportation. The 3-Star rating is awarded to airlines that provide a high level of product and service excellence.

Avelo Airlines

  • Founded: 1987
  • CEO: Andrew Levy
  • Headquarter: Houston, Texas, United States
  • Phone: (346) 616-9500
  • E-mail:
  • Website:

Avelo Airlines is an American low-cost carrier based in Houston, Texas. It started operating as Avelo Airlines on April 28, 2021.

This airline is known for its safety and impeccable customer service. Aside from these, it also has a pleasant atmosphere on board. Flight attendants are also known for their pleasant behavior.

On April 28, 2021, Avelo launched its first scheduled airline service in the US. It marked America’s first new airline to launch since 2004.

Breeze Airways

  • Founded: 2018
  • CEO: David Neeleman
  • Headquarter: Salt Lake City, Utah, United States
  • Phone:
  • E-mail:
  • Website:

Breeze Airways is an American airline founded by David Neeleman. He used to be the co-founder of Morris Air and the former CEO of JetBlue.

Breeze Aviation Group, which was previously known as Air Breeze, is a private aviation firm that operates in 16 US cities. It plans on linking smaller cities to larger ones through its fleet of 13 Embraer aircraft. Breeze currently offers free water and snacks. Soon, additional beverage options will be added, including alcoholic drinks.

Delta Air Lines

  • Founded: 1925
  • CEO: Ed Bastian
  • Headquarter: Atlanta, Georgia, United States
  • Phone: 800-221-1212
  • E-mail:
  • Website:

Delta Air Lines, Inc. is a transportation company that primarily operates as a legacy carrier. Delta Air Lines is the leading US airline in safety, reliability, and customer experience. With more than 3 million employees, Delta is also the world’s busiest carrier.

Delta Air Lines is a 3-Star Airline that has achieved the highest level of product and service quality. The company’s product and staff ratings are based on various factors such as cleanliness, food & beverages, and more.

Eastern Airlines

  • Founded: 2010
  • CEO: Steve Harfst
  • Headquarter: Wayne, Pennsylvania, United States
  • Phone: (727) 608 – 1899
  • E-mail:
  • Website:

Eastern Airlines was established in 2010. It started as Dynamic Airways and later rebranded as Eastern Airlines.

In 2020, Eastern handled over 125,000 departures in the Americas. On most flights, economy class passengers will be served hot meals and beverages. Non-alcoholic and alcoholic beverages are also included in the price of their ticket.

Frontier Airlines

  • Founded: 1994
  • CEO: Barry L. Biffle
  • Headquarter: Denver, Colorado, United States
  • Phone: 801-401-9000
  • E-mail:
  • Website:

Frontier Airlines is an American low-cost carrier based in Denver, Colorado. The airline flies to over 100 destinations in the US and 31 international destinations.

Hawaiian Airlines

  • Founded: 1929
  • CEO: Peter Ingram
  • Headquarter: Honolulu, Hawaii, United States
  • Phone: 1-800-367-5320
  • E-mail:
  • Website:

Hawaiian Airlines is the biggest operator of commercial flights in the US from Hawaii. It is based in Honolulu, Hawaii.

As a 3-Star Airline, Hawaiian Airlines is recognized for its product and staff service. The airline’s product and service ratings are based on a variety of factors including cleanliness, food & beverages, and overall experience.

Hawaiian Airlines is known for serving up island-inspired food and drinks on their international flights. Whether you’re flying from North America to South Pacific or Asia, we’ll have something for everyone.


  • Founded: 1998
  • CEO: Robin Hayes
  • Headquarter: Long Island City, New York, United States
  • Phone: 00 1 801-449-2525
  • E-mail:
  • Website:

JetBlue Airways is an American low-cost airline that is the seventh-largest in North America by passenger traffic. It is based in the New York City borough of Queens.

It has been certified as a 3-Star Airline for its onboard and airport product and service. The award is given based on the following factors: product quality, comfort, and cleanliness.

Since JetBlue is still relatively young and has only been around for a couple of decades, it has not been involved in any major crashes. However, it has had its share of issues involving inflight injuries and turbulence.

Southwest Airlines

  • Founded: 1967
  • CEO: Bob Jordan
  • Headquarter: Dallas, Texas, U.S.
  • Phone: 1 (800) 435-9792
  • Website:

Southwest Airlines, which is also known as Southwest, is the leading low-cost carrier in the US. It has a total of 121 domestic destinations and 10 international ones.

Herb Kelleher and Rollin King established Air Southwest Co. on March 15, 1967, and it became Southwest Airlines Co. in 1971. It initially served as an intrastate airline within Texas before expanding to other states and eventually becoming a national carrier.

United Airlines

  • Founded: 1926
  • CEO: Skott Kirby
  • Headquarter: Willis Tower, Chicago, Illinois, U.S.
  • Phone: 1 (800) 864-8331
  • Website:

United Airlines is a major American airline that is headquartered in Chicago. It has a wide network of domestic and international routes that span all six continents.

United has eight hubs, with Chicago O’Hare being its largest. It also operates regional carrier United Express.

The United Airlines brand was established during the 1920s following the merger of several airlines. One of these was the Varney Air Lines, which was purchased by Continental Airlines in 2010.

James Newman

James Newman is an air travel fanatic. From the fear of flying, TSA regulations, and saving money on flights & airlines, James has extensive knowledge when it comes to air travel. He hopes to make your air travel experience a better one with his blog

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