Old Jan 20, 20, 7:43 pm
  #11  
lokijuh
 
Join Date: May 2003
Location: Singapore
Programs: QF LTG, SQ EGTP, MH Silver, SPG Gold
Posts: 4,292
Originally Posted by gnomey View Post
oit is clearly intentional that SUB-SIN-TPE-USA is forbidden
Maybe availability related? I found this routing in economy (and surprisingly it also threw SUB-SIN-SYD-LAX):

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