Originally Posted by
ual744777sta
You can enter your eticket number at the "OneWorld E-Ticket" function. Although MH is not part of OW it still works. I even entered my UA ticket, which has just UA flights, and it worked.
Thanks for the tip! ^
If you and/or other Platinum-tier members could try to use that function with other non-OW airlines' e-Ticket numbers and report the results here, I will compile an extended list of supported carriers ...