Originally Posted by GBBob

I have done the ORD-PVG trip 4-5 times a year since it's inception and have never not had a Coach to biz (sorry...not great on Class Codes) clear through either SWU or Miles and co-pay. My dates are usually flexible and the ORD-PVG leg usually clears first and the PVG-ORD can get dicey and it's come down to a gate clear a few times.

I do that as an MR occasioanlly as well as it's a great way to get 14K miles and only "lose" two days flying and no hotel needs.