Originally Posted by
jsloan
I spot-checked JKT (CGK) and the UA W fare I found doesn't allow routing via SIN. Another fare might, or you might be able to find a fare that's end-on-end combinable with a UA fare to SIN.
Yea, fair enough, it's been a while since I've poked (about two months since I posted
https://www.flyertalk.com/forum/30280536-post31.html at least, which is the last time I really looked). While it's not a particularly good W fare, the SFO-PEN W fare is allowing routing via SIN on to JQ/MI/I-presume-the-usual-cast-of-characters.