Originally Posted by NM
The reason for considering an all-business class route is because the aircraft is not capable of making the mission with a full load passengers in the standard 3-class config. This is why SQ have their all business class SIN-EWR flights. If the 747-8 can now make the journey with a full 3-class complement, then I am certain that would be the way Qantas would operate the route if they do indeed decide to buy the 747-8 and want to fly MEL-DFW.
SQ SIN-EWR is not really all business class, just no first and Exec Econ Class..
But I accept its a precedent for more cost for a direct route.