<font face="Verdana, Arial, Helvetica, sans-serif" size="2">I suppose CO flies its EWR-HKG with a long range 777 to make it without a refueling stop</font>
CO Flies the 777 on the EWR-HKG route with only 75% of MTOW (I think) to make it nonstop. It has lots of J-Class seats to make up for the revenue loss due to the weight restriction. UA did the same thing on its JFK-HKG direct route.