Originally Posted by
rittenhousesq
No, of course both routes are transpacific, but keep in mind the earth isn't flat, so therefore the ORD-HKG route actually flies "up" over the arctic, it doesn't leave ORD and fly over SFO on its way to HKG.
Edit: I should have know it would be useless to type a response since someone would beat me to the punch...look at the response just above mine.

Actually, looks like ORD-HKG never actually crosses the pacific. More like trans-arctic

I learn something new everyday....