I'm based in MEX and KUL so I fly between the two regularly. I used to have Sapphire status with MX but since it went bankrupt on 2012 I switched to fly mainly *A and ST of which I have status.
Now that MH is joining OW in Feb should I maintain my Gold or is AA a better option?
I did take a quick look at the MH program through their website, and I DO NOT claim to be an expert. My conclusion was that I would re-read the details after they have officially joined and all of the cross crediting arrangements are known.
My guess from the look was that only MH flights were used to determine status. If true, not very useful.
Happy wandering
Fred