OP mentioned his 759 SIN "yesterday morning" was on B-LAG, so that should have been Sunday the 13th.
13 Dec 2015 CX 463
STD: 06:00 / ATD: 06:18
STA: 07:45 / Actual: 07:41
13 Dec 2015 CX 465
STD: 06:15 / ATD: 06:25
STA: 08:05 / Actual: 07:49
Both flights arrived earlier than scheduled. Even considering the time it takes to taxi to gate...arriving "around 8:30" sounds stretched.