Originally Posted by
Delta3MM
As strange as it sounds, I'd still show the Qantas people in SYD your onward connecting flights. See if they can issue tags all the way. I don't think this is going to help so I'm going to suggest something else. Qantas probably does have an interline agreement with UAL...
Qantas do have an interline agreement with UA, but...
As of about 2 years ago Qantas will not interline with non-OneWorld airlines if the booking it not on the same ticket. For the first few months of this policy some people (myself included) had success by asking them to do it anyway, but for at least the last year I haven't heard of anyone getting them to do it - with the normal claim being that "the computer won't allow it".