I am trying to book a DONE4 that includes LHR-SYD with at most one connection. The preferred date is Nov. 1 but I am flexible on the early side. Surprisingly, there seems to be no way to build a DONE4 that includes SYD (and, I suspect, AKL)!

From Expertflyer for Nov. 1 (BA is POS UK – for all others POS is US)

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[Note: I have had no success pasting in additional results for BA, JL, CX, QA and MH. They all show D0. All but JL show availability in Y and most show C, B and H availability.]

I have tried connecting in SIN, BKK, TYO, KL and more and on different dates with little or no success. I have also tried MH, CX and JL. When I occasionally find D class availability the AA RTW desk is never able to obtain a confirmation (only a waitlist). I don’t want to fly UL via Columbo. A few additional points:

1. The on-line tool is useless. It finds itineraries and then fails (segment unavailable) when I try to book.

2. I booked another (separate) DONE4 a few months ago for travel beginning April 2023 and had no trouble with availability to SYD. (BTW, even today there is plenty of D available within Australia and for Australia to NZ).

3. When I searched yesterday Expertflyer returned a different set of codes. Instead of D0 if returned DL or DC (waitlist or closed) for each flight.

I post to alert others to the problem, but also to see if others have any workarounds.