[7][8] Its headquarters were in São Paulo,[9] operating scheduled services to destinations within Brazil, as well as international flights to Europe and other parts of North and South America.

[10] Prior to the merger with LAN, the company closed its capital, transferring its shares to LATAM Airlines Group.

Founded by Rolim Adolfo Amaro,[15] TAM – Transportes Aéreos Regionais S/A was the third of those regional airlines to be made operational.

Its services started on July 12, 1976, and its operational area comprised parts of the Southeast and Central West regions of Brazil, specifically the states of Mato Grosso do Sul, and parts of Mato Grosso, and São Paulo plus the possibility of serving the cities of Cuiabá, Rio de Janeiro, Londrina, Maringá, and Brasília when linking them to its area of concession.

The new airline flew Embraer EMB 110 Bandeirantes at first, but these proved grossly inadequate for the task at hand, and even at full capacity needed to be subsidized by the government in order to be profitable.

In order to obtain the import authorization for the aircraft, a deal was struck with the government in which TAM was forced to maintain three Bandeirantes for every F27, as well as removing five seats from each one, bringing the F27's capacity down to 40 passengers.

The same year, TAM – Transportes Aéreos Regionais (KK) acquired another regional airline, VOTEC, which operated in areas of northern and central Brazil.

On May 15, 1990, the Brazilian Government lifted restrictions on operational areas of regional airlines allowing them to fly anywhere in Brazil.

Having lost the bid, he opted for slower growth with the gradual addition of new aircraft, re-dubbed "Evolution".

[20][21] In 2009, TAM decided to replace its Passenger Service System provided by Sabre, known as Sabresonic, with the Altéa platform from Amadeus.

[28] Starting August 1, 2011, Pantanal operated flights on behalf of TAM, all with origin and destination at São-Paulo-Congonhas Airport.

[30] In January 2013, the Jet Airliner Crash Data Evaluation Centre (JACDEC) determined that TAM Linhas Aéreas had the second-worst safety record in the world.

The ratings take into account the number and deadliness of the hull losses (destroyed airplanes) they have suffered in the past 30 years, how they have fared more recently, and how many flights they have flown without incident.

These included transferring four slots at São Paulo-Guarulhos to competitors interested in operating flights to Santiago de Chile, renouncing membership to either Oneworld or Star Alliance, restricting increase capacity on flights between Brazil and Chile, and opening code-share possibilities and fidelity program membership to interested competitors.

By August 2012, LATAM made a decision in favor of Oneworld and frequencies between São Paulo and Santiago de Chile were reduced: TAM had two pairs of slots while LAN had four.

On July 9, 2020, LATAM Brasil announced that it filed for judicial reorganization in the United States due to the impacts of the COVID-19 crisis on the company's operations.

The LATAM Airlines group and its affiliates had already entered the debt restructuring process in May of the same year under the protection of Chapter 11 of the United States bankruptcy law, which allows a deadline for companies to reorganize themselves financially.

The new airline was named TAM – Transportes Aéreos del Mercosur and maintained the IATA code of LAP, PZ.

As of January 2024, LATAM Brasil (formerly TAM Linhas Aéreas) operates scheduled services to the destinations below.

The list includes destinations formerly served by its subsidiaries, Pantanal Linhas Aéreas and TAM Paraguay:[41] LATAM Brasil codeshares with the following airlines:[64] As of January 2025[update], LATAM Brasil operates the following aircraft:[citation needed] LATAM Brasil had also operated these following aircraft since it started services:[65][66] On June 16, 2005, TAM purchased 20 additional Airbus A320 family aircraft (including the A319, A320 and A321), with an additional 20 options.

The program offers cards for different categories and percentages of mileage accrual:[74] Media related to LATAM Brasil at Wikimedia Commons