List of largest airlines in South America Passengers carried in 2010 Passengers carried in 2010

| Rank_ | Airline | Country | Passengers_Carried | Remarks | Alliance |
|---|---|---|---|---|---|
| 1 | TAM | Brazil | 34553000 | In process of fusion with Lan to form LATAM | Star Alliance |
| 2 | Gol | Brazil | 32122000 | N/A | N/A |
| 3 | LAN Airlines | Chile | 17293000 | In process of merger with Tam to form LATAM | Oneworld |
| 4 | Avianca | Colombia | 11663000 | It only includes Avianca Colombia | Star Alliance |
| 5 | Aerolíneas Argentinas | Argentina | 6400269 | Including Austral | Skyteam (2012) |