Old Jan 20, 20, 8:21 pm
Join Date: May 2003
Location: Singapore
Programs: QF LTG, SQ EGTP, MH Silver, SPG Gold
Posts: 4,292
Originally Posted by freed0m View Post

SUB-SIN has limited flights and timing is not good. so probably has more to do with timing than forbidden routes.
Yes, SUB, KUL & PEN were all mentioned by OP. SilkAir operates 67%, ~70% and 100% of most weekday flights on said routes, and of course these are not permitted in star alliance award.
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