Originally Posted by
TKMAXX
The JFK flight is AS during the summer only, AS623. There is a QR codeshare, QR2058. For what it's worth,
I haven't seen any availability in D class when setting the point of sale to Japan (only looked at around 12 days on ExpertFlyer)

That was my experience as well, NO D fares availability. I even called AA RTW desk about that, they couldn't find D either. Has anyone called AS? (I didn't but should have

)