Originally Posted by
dkc192
I suspect you're running into these difficulties because JL uses married segment logic/availability for awards. If BKK-HND-JFK or SHA-HND-ORD isn't available as one through award, then you might keep HUCAing to see if you'll find an agent who is willing to override the married segment logic and build the award entirely segment by segment, but I wouldn't get my hopes up.
I suspect that part of my problem is that since AA flies to Shanghai, aa.com ONLY displays AA flight options for US-SHA searches. Delta and United are similarly stubborn. However, aa.com does show JL options when I select other cities in China/Asia that AA doesn't serve.