en los foros de por alli, lei esto que me parecio lo mas acertado con respecto a la cancelacion de BUE
"Virtually all of SAA's long haul routes are unprofitable, according to sources: PEK, HKG, BOM, GRU and EZE included. Of those, EZE is the most politically and economically unstable, so it is the first to go. GRU will be retained just by nature of the fact that it is Brasil. PEK, by similar virtue of being part of a BRIC country, has also received government opposition to being chopped due to its political importance."