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Are you searching for major airlines of USA? Well, the United States features some of the world’s biggest and famous airline companies like United Airlines, American Airlines, Alaska Airlines, Southwest Airlines and much more.

The major passenger and regional airlines operate commercial flights to several domestic and international destinations via hubs at different airports across the nation.

Let’s find out the major passenger and regional airlines of USA in this article.

Airlines of USA

United Airlines

United Airlines is among the major airlines of USA with its headquarter at Willis Tower in Chicago, Illinois. The airline operates flights to various domestic and international destinations from its bases at 8 different airports across the United States.

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United Airlines (Airlines of USA)

United operates scheduled commercial flights to 238 domestic destinations and 118 international destinations across 5 continents covering 48 countries. The airline also operates flights under a codeshare agreement with various foreign airlines including Air Canada, Air China, Air New Zealand, All Nippon Airways, Asiana Airlines, EVA Air, Turkish Airlines, Singapore Airlines, Hawaiian Airlines, Swiss International Air Lines, Croatia Airlines, Avianca, Boutique Air, and much more.

United Airlines Basic Information

ICAO CODEUAL
IATA CODEUA
REGISTRATIONUNITED
FOUNDED1926
PRIMARY HUBSChicago O’Hare International Airport
Denver International Airport
Guam International Airport
George Bush Intercontinental Airport
Los Angeles International Airport
Newark Liberty International Airport
San Francisco International Airport
Washington Dulles International Airport
FLEET SIZE853 aircraft from Boeing and Airbus Company

American Airlines

American Airlines is one of the major airlines of USA headquartered in Fort Worth, Texas. Not only in the United States, but the carrier is also the world’s largest in terms of fleet size, revenue passenger mile, and scheduled passengers carried.

In coordination with regional partners, American Airlines operates almost 6,800 daily flights to over 350 destinations across the globe. The airline is also the founding member of the Oneworld Alliance which is the third-largest airline alliance in the world. American Eagle is the subsidiary carrier of American Airlines. 

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American Airlines (Airlines of USA)

American Eagle and American Airlines operate scheduled commercial flights to various destinations from 10 hubs across the nation. Dallas/Fort Worth International Airport (DFW) is the major hub for the airline.

American Airlines Basic Information

ICAO CODEAAL
IATA CODEAA
REGISTRATIONAMERICAN
FOUNDED1926
PRIMARY HUBSCharlotte Douglas International Airport
Chicago-O’Hare International Airport
Dallas/Fort Worth International Airport
Los Angeles International Airport
Miami International Airport
John F. Kennedy International Airport
LaGuardia Airport
Philadelphia International Airport
Phoenix-Sky Harbor International Airport
Ronald Reagon Washington National Airport
FLEET SIZE891 aircraft from Boeing and Airbus Company

Alaska Airlines

Alaska is one of the major airlines of USA with its headquarter in SeaTac, Washington. In terms of fleet size, the number of destinations, and the number of passengers carried, the airlines is the fifth largest in the United States.

The airline operates flights to various domestic sectors and international destinations. The domestic flights are primarily focused on connecting to more than 100 domestic sectors from Alaska, West Coast, and the Pacific Northwest. Talking about the international destinations, Alaska Airlines operates scheduled commercial flights to Mexico, Canada, and Costa Rica. Horizon Air and SkyWest Airlines are the regional partners of Alaska Airlines.

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Alaska Airlines (Airlines of USA)

Alaska Airlines operates from five different hubs namely Seattle/Tacoma International Airport, San Francisco International Airport (SAF), Los Angeles International Airport (LAX), Portland International Airport, and Ted Stevens Anchorage International Airport. Among these hubs, Seattle/Tacoma International Airport is the main hub.

Alaska Airlines Basic Information

ICAO CODEASA
IATA CODEAS
REGISTRATIONALASKA
FOUNDED1932
PRIMARY HUBSSeattle/Tacoma International Airport
Los Angeles International Airport (LAX)
San Francisco International Airport
Portland International Airport
Ted Stevens Anchorage International Airport
FLEET SIZE79 Boeing 737-900ER
61 Boeing 737-800
12 Boeing 737-900
11 Boeing 737-700
7 Boeing 737-9 MAX
3 Boeing 737-700F
26 Airbus A320
10 Airbus A321neo
32 Bombardier Q400 (Operated by Horizon Air)
30 Embraer E175 (Operated by Horizon Air)

Delta Air Lines

Delta Air Lines commonly known as Delta is one of the major airlines of USA with its headquarter in Atlanta, Georgia. The airline operates over 5,400 daily flights to over 325 destinations across the globe in coordination with regional affiliates including Delta Connection.

Delta Air Lines is also the founding member of the SkyTeam airline alliance. The carrier operates commercial flights from nine hubs and the Hartsfield-Jackson Atlanta International Airport is the primary one.

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Delta Air Lines (Airlines of USA)

The airline operates flights to domestic and international destinations. Major domestic sectors include Atlanta, Detroit, Boston, Minneapolis/St. Paul, Los Angeles, New York-JFK, New York-LaGuardia, Salt Lake City, Seattle/Tacoma, and Raleigh/Durham. The carrier operates flights to Europe, Australia, and Asia from these domestic sectors.

Delta Air Lines Basic Information

ICAO CODEDAL
IATA CODEDL
REGISTRATIONDELTA
FOUNDED1924
PRIMARY HUBSHartsfield-Jackson Atlanta International Airport
General Edward Lawrence Logan International Airport
Detroit Metropolitan Wayne County Airport
Los Angeles International Airport
Minneapolis-Saint Paul International Airport
John F. Kennedy International Airport
LaGuardia Airport
Salt Lake City International Airport
Seattle-Tacoma International Airport
FLEET SIZE750 Aircraft from Boeing and Airbus Company

Southwest Airlines

Southwest Airlines is commonly known as Southwest and is one of the major airlines of USA. It is also the world’s largest low-cost airline with headquarters in Dallas, Texas. Southwest operates flights to over 121 destinations in the United States and 10 international destinations.

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Southwest Airlines (Airlines of USA)

Southwest is the world’s largest operator of the Boeing 737 aircraft and it only operates Boeing jetliners. The airline has already announced an order for 100 Boeing MAX 7 aircraft.

Southwest Airlines Basic Information

ICAO CODESWA
IATA CODEWN
REGISTRATIONSOUTHWEST
FOUNDED1967
PRIMARY HUBSHartsfield-Jackson Atlanta International
/Washington International Thurgood Marshall Airport
Chicago Midway International Airport
Dallas Love Field
Denver International Airport
William P. Hobby AirportMcCarran International Airport
Los Angeles International Airport
Oakland International Airport
Orlando International Airport
Phoenix-Sky Harbor International Airport
FLEET SIZE461 Boeing 737-700
207 Boeing 737-800 
69 Boeing 737 MAX 8 (130 orders)
250 orders for Boeing 737 MAX 7

Hawaiian Airlines

Hawaiian Airlines is one of the important airlines of USA operating flights to and from the U.S. state of Hawaii. The airline has its headquarter in Honolulu, Hawaii and features two hubs.

The airline is the tenth-largest commercial airline in the United States. Daniel K. Inouye International Airport is the main base for Hawaiian and Kahului Airport on the island of Maui is the secondary base.

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Hawaiian Airlines (Airlines of USA)

The airline flies to major destinations across the nation and also operates international flights to Australia, South Korea, New Zealand, Japan, Tahiti, and several other Asia-Pacific countries.

Hawaiian Airlines Basic Information

ICAO CODEHAL
IATA CODEHA
REGISTRATIONHAWAIIAN
FOUNDED1929
PRIMARY HUBSDaniel K. Inouye International AirportKahului Airport
FLEET SIZE18 Airbus A321neo
24 Airbus A330-200
18 Boeing 717-200
10 orders for Boeing 787-9 Dreamliner

Allegiant Air

Allegiant Air is among the budget airlines of USA that operates scheduled and charter flights from over 10 operating bases across the nation. It is also the major airline in the United States and is listed as the fourteenth-largest commercial airline in North America.

The headquarter of Allegiant Air is located in Summerlin, Nevada which is a suburb of Las Vegas, the 26th most populous city in the United States.

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Allegiant Air (Airlines of USA)

Allegiant Air operates flights to over 120 destinations throughout the United States including Orlando/Sanford, St. Petersburg, Las Vegas, Punta Gorda/Fort Myers, and Phoenix/Mesa as the top domestic sectors.

Allegiant Airlines Basic Information

ICAO CODEAAY
IATA CODEG4
REGISTRATIONALLEGIANT
FOUNDED19
PRIMARY HUBSHarry Reid International Airport
Cincinnati/Northern Kentucky International Airport
Destin-Fort Walton Beach Airport
Indianapolis International Airport
Orlando Sanford International Airport
Memphis International Airport
Pittsburgh International Airport
Albuquerque International Sunport
FLEET SIZE35 Airbus A319-100
80 Airbus A32-200

Avelo Airlines

Avelo Airlines is among the ultra-low-cost airlines of USA with its headquarter in Houston, Texas. The airline operates with its main bases at Hollywood Burbank Airport in California and Tweed New Haven Airport in Connecticut.

The airline was previously called Casino Express Airlines, then Xtra Airways and now Avelo Airlines.

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Avelo Airlines (Airlines of USA)

Avelo Airlines operates domestic flights to Washington, Utah, Oregon, Nevada, Montana, Florida, Connecticut, Colorado, California and Arizona.

Avelo Airlines Basic Information

ICAO CODEVXP
IATA CODEXP
REGISTRATIONAVELO
FOUNDED1987
PRIMARY HUBSHollywood Burbank Airport
Tweed New Haven Airport
FLEET SIZE3 Boeing 737-700
3 Boeing 737-800

Breeze Airways

Breeze Airways is one of the airlines of USA headquartered in Cottonwood, Heights, Utah. The airline operates flights to 16 destinations with hubs at 4 different cities in the United States.

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Breeze Airways (Airlines of USA)

The airline operates domestic flights to Alabama, Arkansas, Connecticut, Florida, Kentucky, Louisiana, Ohio, Oklahoma, Pennsylvania, Rhode Island, South Carolina, Texas and Virginia from its base at Charleston International Airport, Louis Armstrong New Orleans International Airport, Norfolk International Airport, and Tampa International Airport.

Breeze Airways Basic Information

ICAO CODEMXY
IATA CODEMX
REGISTRATIONMOXY
FOUNDED2018
PRIMARY HUBSCharleston International Airport
Louis Armstrong New Orleans International Airport
Norfolk International Airport
Tampa International Airport
FLEET SIZE1 Airbus A220-300 (79 in order)
10 Embraer E1903 Embraer E195

Eastern Airlines

Eastern Airlines is also one of the airlines of USA with its headquarter in Wayne, Pennsylvania. The airline operates domestic and international flights from its hub at Miami International Airport.

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Eastern Airlines (Airlines of USA)

The airline operates flights to New York City as a focus city from Miami International Airport. Talking about the international destinations, the carrier flies to Santa Cruz de la Sierra (Bolivia), Belo Horizonte (Brazil), Guayaquil (Ecuador), and Montevideo (Uruguay).

Eastern Airlines Basic Information

ICAO CODEEAL
IATA CODE2D
REGISTRATIONEASTERN
FOUNDED2010
PRIMARY HUBSMiami International Airport
FLEET SIZE3 Boeing 767-200
1 Boeing 767-200ER
5 Boeing 767-300ER
3 Boeing 777-200ER

Frontier Airlines

Frontier Airlines is one of the ultra-low-cost airlines of USA headquartered in Denver, Colorado. The carrier operates flights to over 100 domestic destinations and 31 international sectors from its hub at Denver International Airport (DIA).

Frontier Airlines operates scheduled commercial flights to 115 domestic destinations. International destinations include Canada, Costa Rica, the Dominican Republic, Puerto Rico, Guatemala, Mexico, and El Salvador.

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Frontier Airlines (Airlines of USA)

The major domestic destinations for Frontier Airlines are Denver, Orlando, Las Vegas, Philadelphia, Tampa, Atlanta, Chicago-O’Hare, Cleveland, Raleigh/Durham and Fort Myers.

Frontier Airlines Basic Information

ICAO CODEFFT
IATA CODEF9
REGISTRATIONFRONTIER FLIGHT
FOUNDED1994
PRIMARY HUBSDenver International Airport (DIA)
FLEET SIZE19 Airbus A320-200
72 Airbus A320neo
21 Airbus A321-200
Orders for 221 Airbus A321neo and 18 Airbus A321XLR

JetBlue

JetBlue Airways is among the major low-cost airlines of USA with its headquarters in Long Island City New York. It is the seventh-largest airline in North America in terms of passengers carried.

JetBlue Airways flies to 104 domestic destinations and two international sectors in Europe.

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JetBlue (Airlines of USA)

JetBlue Basic Information

ICAO CODEJBU
IATA CODEB6
REGISTRATIONJETBLUE
FOUNDED1998
PRIMARY HUBSGeneral Edward Lawrence Logan International Airport
Fort Lauderdale-Hollywood International Airport
Los Angeles International Airport
John F. Kennedy International Airport
Orlando International Airport
Luis Munoz Marin International Airport
FLEET SIZE7 Airbus A220-300 (63 in orders)
130 Airbus A320-200
63 Airbus A321-200
3 Airbus A321LR
18 Airbus A321neo
60 Embraer 190
13 orders for Airbus A321XLR

Spirit Airlines

Spirit Airlines is also among the top ultra-low-cost airlines of USA with its headquarter in Miramar, Florida. The airline stylized as Spirit operates scheduled commercial flights across the United States and in the Caribbean and Latin America from its base at 8 airports.

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Spirit Airlines (Airlines of USA)

Spirit operates scheduled commercial flights to 83 destinations throughout the United States, the Caribbean, South America, and Central America.

Spirit Airlines Basic Information

ICAO CODENKS
IATA CODENK
REGISTRATIONSPIRIT WINGS
FOUNDED1980
PRIMARY HUBSAtlantic City International Airport
Chicago O’Hare International Airport
Dallas/Fort Worth International Airport
Detroit Metropolitan Wayne County Airport
Fort Lauderdale-Hollywood International Airport
Harry Reid International Airport
Miami International Airport
Orlando International Airport
FLEET SIZE31 Airbus A319-100
64 Airbus A320-200
43 Airbus A320neo
30 Airbus A321-200
31 orders for Airbus A319neo
26 orders for Airbus A321neo

Sun Country Airlines

Sun Country Airlines is also among the ultra-low-cost airlines of USA that operates passenger as well as cargo flights. It is placed at 11th position as the 11th largest airline in the United States in terms of passengers carried. The airline has its headquarters in Minneapolis, Minnesota, US.

The airline operates flights to 59 destinations with its main hub at Minneapolis-Saint Paul International Airport. Top destinations include Minneapolis/St. Paul, Las Vegas, Fort Myers, Orlando, and Los Angeles. 

Sun Country Airlines also operates international flights via interline agreements with different foreign airlines including Icelandair, EVA Air, Hawaiian Airlines, China Airlines, and Condor.

Sun Country Airlines Basic Information

ICAO CODESCX
IATA CODESY
REGISTRATIONSUN COUNTRY
FOUNDED1982
PRIMARY HUBSMinneapolis-Saint Paul International Airport
FLEET SIZE1 Boeing 737-700
34 Boeing 737-800
12 Boeing 737-800BCF for Cargo operation

Regional Airlines of USA

There are some regional airlines in the United States operating regional flights. The regional airlines of USA are listed below.

  • Aha! (A brand used by regional airline ExpressJet for flights between Reno-Tahoe International Airport and cities along the West Coast)
  • Air Wisconsin Airlines (A regional airline operated on behalf of US Airways, based at Appleton International Airport)
  • American Eagle Airlines (A brand name for the regional branch of American Airlines)
  • Cape Air (operates scheduled passenger flights in the Northeast, Midwest, the Caribbean, and Eastern Montana)
  • CommutAir (Operating as a regional airline for United Express)
  • Contour Airlines (Regional airline operated by parent company Contour Aviation)
  • Elite Airways (Regional Airline for charter and scheduled passenger flights)
  • Endeavor Air (American Regional Airline operating as Delta Connection for Delta Air Lines)
  • Envoy Air (a subsidiary of the American Airlines Group)
  • GoJet Airlines (Regional Airline wholly owned by Trans States Holdings)
  • Horizon Air (American regional airline based in SeaTac)
  • Mesa Airlines (American Regional Airline based in Phoenix, Arizona)
  • Piedmont Airlines (A wholly-owned subsidiary of the American Airlines Group)
  • PSA Airlines (Wholly-owned Subsidiary of American Airlines Group)
  • Republic Airways (Regional Airline subsidiary of Republic Airways Holdings)
  • Silver Airways (Regional Airline of the United States headquartered in Fort Lauderdale-Hollywood International Airport)
  • SkyWest Airlines (an American regional airline headquartered in St. George, Utah)

Cargo Airlines of USA

Following are the major cargo airlines of USA operating cargo flights to various domestic and international destinations.

21 Air

ABX Air

Air Cargo Carriers

AirNet Express

Air Transport International

Alaska Central Express

Aloha Air Cargo

Alpine Air Express

Amazon Air

Ameriflight

Amerijet International

Ameristar Jet Charter

Asia Pacific Airlines

Atlas Air

Bemidji Airlines

Castle Aviation

Corporate Air

CSA Air

Empire Airlines

Everts Air Cargo

FedEx Express

Freight Runners Express

IFL Group

Kalitta Air

Kalitta Charters

Lynden Air Cargo

Martinair

Merlin Airways

Mid-Atlantic Freight

Mountain Air Cargo

National Airlines

Northern Air Cargo

Polar Air Cargo

Royal Air Freight

Ryan Air Services

Sky Lease Cargo

Skyway Enterprises

Southern Air

Strat Air

Tepper Aviation

Transair

UPS Airlines

USA Jet Airlines

West Air

Western Global Airlines

Wiggins Airways