United to use the 787-9 in South American routes

United Airlines is going to replace the Boeing 767-300ER in the Buenos Aires-Houston route as same in the Santiago de Chile-Houston with the newest Boeing 787-9. In the Rio de Janeiro-Houston route the B787-9 is going to replace the actual service with B777-200ER. United´s B787-9 have a 252 passenger capacity configuration with 48 seats in Business First and 204 seats in Economy Class.