(edit: promo is pvg, not sin) From .bomb promo's. ~4cpm (two day stay or a little less for longer stay) after the double. I'm an amateur compared to you all, but this seems like a really good deal. Am I missing something? We’re celebrating our new service between Shanghai and Los Angeles with up to triple bonus award miles. Fly qualifying flights between Los Angeles and Shanghai and earn triple bonus award miles in United First and United Business®* or double bonus award miles in United Economy®. Service starts May 21, 2011. Travel dates: May 20, 2011 through July 15, 2011 Ticketing dates: Through July 15, 2011 Registration required before travel.