Acquisitions and Divestitures
- 1927: Pan American Airways, Atlantic, Gulf, and Caribbean Airways, and Aviation Corporation of the Americas founded.
- 1928: All three precursor firms merge into Aviation Corporation of the Americas, with Pan American Airways as its brand.
- 1929: Mexicana of Mexico acquired by Pan Am.
- 1929: Pan American-Grace Airways (PANAGRA), operating on the west coast of South America, formed as a 50–50 joint venture with W. R. Grace and Company.
- 1930: New York, Rio, and Buenos Aires Line (NYRBA) acquired, allowing Pan Am to operate along the east coast of South America. NYRBA's Brazilian subsidiary is renamed Panair do Brasil.
- 1931: Majority control of SCADTA of Colombia acquired in secret.
- 1932: Cubana of Cuba acquired.
- 1933: China National Aviation Corporation (CNAC) acquired.
- 1937: CNAC merged with China Airways.
- 1940: Minority holders of SCADTA bought-out.
- 1940: Aerovías of Guatemala formed.
- 1941: SCADTA merged into SACO to form Avianca, owned by the Colombian government.
- 1943: Aerovías Venezolanas Sociedad Anónima (AVENSA) of Venezuela founded as a joint venture.
- 1944: Cuban investors acquire 56% of Cubana through a stock float.
- 1946: InterContinental, a chain of hotels, founded.
- 1949: Pan Am acquires a stake in Middle East Airlines (MEA), as well as a management contract.
- 1949: Pan Am's 20% stake in CNAC acquired by Chinese Nationalists, with assets split variously between the Nationalists and the People's Republic of China.
- 1950: American Overseas Airlines (AOA) acquired from American Airlines.
- 1954: Cuban government acquires Pan Am's remaining stake in Cubana.
- 1955: Pan Am's 49% stake in MEA is sold to British Overseas Airways Corporation (BOAC).
- 1959: Mexican government acquires Pan Am's stake in Mexicana and Aeroméxico.
- 1961: Brazilian government acquires Panair do Brasil.
- 1967: PANAGRA sold to Braniff International Airways.
- 1976: AVENSA stake divested to Venezuelan government.
- 1980: National Airlines acquired.
- 1980: Pan Am Building sold to MetLife.
- 1981: InterContinental sold to Grand Metropolitan.
- 1986: Pacific Division sold to United Airlines.
- 1989: Pan Am unsuccessfully attempts to buy Northwest Airlines.
- 1990: London Heathrow routes sold to United Airlines.
- 1990: Internal German Services Division sold to Lufthansa.
- 1991: Atlantic Division, Pan Am Shuttle, and New York City Worldport sold to Delta Air Lines.
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