Originally Posted by
bzcat
SQ did 1x daily via NRT and 1x daily via TPE for years. When they terminated TPE, they did 1x 77W and 1x77E via NRT... so they did "switch", but just for a brief time. The 2x daily was replaced with a single A380 later.
SIN-NRT-LAX was served by 744 for years before upgauging to A388. I don't believe it was ever served by 77W. No idea what 77E is.