Let's forget about maintenance and route rights (as in the other thread) for now, and just concentrate on passenger and flights logistics for a moment. What CoFan proposes is barely possible:

- First, EWR-HKG have to be a day flight. If it departs midnight, it arrives HKG at 3am. Too early. The route isn't far enough like SQ's EWR-SIN to do it as a red-eye. So, it has to be day flight. Right now it departs 3pm. To turn around that flight, it needs to leave earlier. Earliest is about noon, like EWR-PEK, to get the feed from other cities into EWR.

- So, CO99 EWR-HKG departs noon and arrives 3pm. Turn around 5pm for LAX. Arrives 3pm. After passengers go through immigration, only place for the 777 to go is IAH.

- So, this first plane will do EWR-HKG-LAX-IAH, and gets in to IAH late evening. It can then do NRT the next morning.

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- The other 777 can come from EWR or IAH to LAX. Then a 1am departure for HKG, arriving early next morning, just like 2 of the 3 daily CXs. It can then turn around and do CO98 HKG-EWR at the current schedule. Depart around 11am and gets into EWR at 3pm.

Now, since LAX is not a CO hub, and the HKG-LAX fligth arrives that late, the only passengers they can market to are Houston and LA area residents plus those that can go on AA's connection from LAX. I don't think there's enough market to do this, since CX already flies the route 3 times a day.