Originally Posted by
764toHI
I can't find the post to reference but I think ORD-PEK/HKG will be 77Y routes to coincide with the introduction of dedicated Premium Plus markets.
I recall the same - the plan was to move the pmCO 777s to ORD to concentrate them there until the full set of 772 (ERs) is converted. Avoids too many different possibilities at each international hub.