Both Singapore airlines and KLM
are active on this route on a daily basis in 2012.
KLM has a crew base in Singapore. They fly from Singapore
onwards to Bali in Indondsia. This used to be a Dutch colony.
KLM flies their brand new Boeing 777-300ER on this route in
2011. They have also often been flying their Boeing 747-400
combi on this route.
Singapore airlines seems to be flying their Boeing 777-200ER
on this route in 2009.