Originally Posted by lowwol
all SQ flights heading south and outbounds from SIN are even numbered flights. Inbound heading north to singapore will be odd numbers.
Sorry - Maybe I am missing something, but how come I am regularly on SQ 220 SYD-SIN? That's neither south or outbound SIN. Generally mostly it seems to me that inbound SIN is odd and outbound is even, but it's not consistent. I apologise if I am missing the bleeding obvious here!