Originally Posted by
subsea
Back in July I had a KUL SIN LHR booked in CW, MH to SIN and BA to LHR, it so happened that I had to get back to SIN the day before my flight was booked for so I booked a separate flight and got back to SIN a day early, then I showed up for my original flight SIN to LHR and had no problem checking in, wasn't even questioned?
Then you got lucky, perhaps because there were two different airlines involved and a no-show message hadn't got from MH to BA to auto-cancel your BA sector.