That has nothing to do with it. Status has absolutely no affect on partner availability!

You just have to look beyond united.com, thats not even 10% of whats out there.

Start your search on CO's and AC's websites, they show most and all partners respectively. Best is ANA, but it doesnt handle connections well.

After you made your own route, call and pray you dont get *Net blocked.

Even though it is late in the game for summer travel, there is still tons of space on TK/LO and some on LH/AC