Avianca S.A., is the largest airline in Colombia. It has been the flag carrier of Colombia since December 5, 1919, when it was initially registered under the name SCADTA. It is headquartered in Colombia, with its registered office in Barranquilla and its global headquarters in Bogotá and main hub at El Dorado International Airport. Avianca is the flagship of a group of airlines of the Americas airlines, which operates as one airline using a codesharing system. Avianca is the largest airline in Colombia and second largest in South America, after LATAM of Chile. Avianca and its subsidiaries have the most extensive network of destinations in the Americas. Prior to the merger with TACA in 2010, it was wholly owned by Synergy Group, a South American holding company established by Germán Efromovich and specializing in air transport. It is listed on the Colombia Stock Exchange.
Gol Linhas Aéreas Inteligentes S.A is a Brazilian low-cost airline based in Rio de Janeiro, Brazil. According to the National Civil Aviation Agency of Brazil (ANAC), between January and December 2019 Gol had 37.7% of the domestic and 3.8% of the international market shares in terms of passenger-kilometers flown, making it the largest domestic and third largest international airline in Brazil.
LATAM Airlines Brasil, formerly TAM Linhas Aéreas, is the Brazilian brand of LATAM Airlines Group operating international and domestic flights from hubs in Rio De Janeiro, São Paulo, and Brasília. According to the National Civil Aviation Agency of Brazil (ANAC), between January and December 2019, LATAM had 34.7% of the domestic, and 20.9% of the international market share in terms of passenger-kilometers flown, making it the second largest domestic and largest international airline in Brazil.
LATAM Airlines is a Chilean multinational airline based in Santiago and one of the founders of the LATAM Airlines Group, the largest airline holding company in Latin America. Its main hub is Arturo Merino Benítez International Airport in Santiago, with secondary hubs in São Paulo, Lima, Bogotá, Quito, Guayaquil and Asunción.
Avianca Brasil S.A., officially Oceanair Linhas Aéreas S/A, was a Brazilian airline based in Congonhas Airport in São Paulo, Brazil. According to the National Civil Aviation Agency of Brazil (ANAC), which cancelled its operation, prior to cessation of operations, from January to December 2018 Avianca Brasil had 13.4% of the domestic and 7.3% of the international market share in terms of passengers per kilometer flown, making it the fourth-largest airline both in domestic and international traffic in Brazil. The company slots were redistributed by Anac. An auction on 10 July 2019 raised R$555.3 million, not enough to pay a debt of R$2.7 billion, although Avianca's bankruptcy was not officially decreed.
LATAM Airlines Perú is an airline based in Lima, Peru. It is a subsidiary of LATAM Airlines Group, which owns 49% of the airline. It operates scheduled domestic and international services. Its main hub is Jorge Chávez International Airport. LATAM Perú is the dominant airline in Peru, controlling 73.4% of the domestic market. The airline serves as flag carrier of Peru.
Sky Airline, styled as SꓘY, is an airline based at Arturo Merino Benítez International Airport in Santiago, Chile. It is the second largest airline in the country behind flag-carrier LATAM Airlines and the first airline to operate under a low-cost model in the country. It serves international routes to Argentina, Brazil, Colombia, Peru and Uruguay. It also operates charter flights in Chile and South America and domestic flights within Peru.
Transportes Aéreos del Mercosur S.A, d/b/a LATAM Airlines Paraguay, is the flag carrier and the national airline of Paraguay with its headquarters in Asunción, Paraguay. Its flights operate from Silvio Pettirossi International Airport in Asunción. Its parent company is LATAM Airlines Group.
Voepass Linhas Aéreas, stylized as VOEPASS Linhas Aéreas and previously known as Passaredo Linhas Aéreas, is an airline based in Ribeirão Preto, São Paulo, Brazil. It operates regional services in Brazil. Its main base is Dr. Leite Lopes Airport, Ribeirão Preto.
LAP - Líneas Aéreas Paraguayas was a Paraguayan airline that was founded in November 1962 to be the flag carrier airline of Paraguay. Its main hub was Silvio Pettirossi International Airport, in Asunción. The airline ceased operations in 1996 after being sold to TAM Linhas Aéreas.
Azul Linhas Aéreas Brasileiras S/A is a Brazilian airline headquartered in Barueri, a suburb of São Paulo. The company's business model is to stimulate demand by providing frequent and affordable air service to underserved markets throughout Brazil. The company was named Azul after a naming contest in 2008, where "Samba" was the other popular name. Azul is a publicly traded company on the Brazilian stock exchange, with the ticker AZUL4. It was established on 5 May 2008 by Brazilian-born David Neeleman, with a fleet of 76 Embraer 195 jets. The airline began service on 15 December 2008.
LATAM Airlines Group S.A. is a Chilean airline holding company headquartered in Santiago, Chile. It is considered the largest airline company in Latin America with subsidiaries in Brazil, Colombia, Ecuador, Paraguay and Peru. The company filed for Chapter 11 bankruptcy in the United States on 26 May 2020, due to economic problems attributed to the impact of the COVID-19 pandemic on aviation. Although LATAM Airlines' headquarters are located in Chile, the carrier is an American depositary receipt and traded on both the Santiago Stock Exchange and New York Stock Exchange at the time of bankruptcy. The company's stock ticker (LTMAQ) was delisted from the NYSE and later moved to the unregulated OTC Markets Pink on 12 June 2020.
Fast Colombia S.A.S., trading as Viva Air Colombia and formerly VivaColombia, was a Colombian ultra low-cost airline based in Rionegro, Antioquia, Colombia. It was a subsidiary of Irelandia Aviation and, as of its bankruptcy in March 2023, the third largest airline in the country. The company was not legally affiliated with Mexico's Viva Aerobus, another low-cost carrier co-founded by Irelandia which also uses the "Viva" brand, although they did have a codeshare agreement for their flights. The company filed for insolvency in February 2023, and on February 27, 2023, the airline suspended, and eventually ceased, all operations, citing rising fuel prices and Aerocivil's failure to approve its planned acquisition by Avianca.
MAP Linhas Aéreas is a Brazilian domestic airline headquartered in Manaus, Amazonas, founded in 2011 and authorized to operate regular and non-regular charter flights within Brazil.
Sideral Linhas Aéreas, formerly known as Sideral Air Cargo, is a Brazilian cargo and passenger charter airline headquartered in São José dos Pinhais, located in the Greater Curitiba, Paraná. It was established in 2009 as a subsidiary of Grupo Econômico Expresso Adorno.
Chile 
Brazil 
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El Salvador 
Argentina 
Bolivia 
Peru