Originally Posted by
david_oz
Using SFO as an example, a schedule could be something like:
SFO-SYD: 10:00am - 8:00pm+1
SYD-SFO: 10:00pm - 4:30pm
More capacity leads to lower average fares.
Your proposed schedule doesn't make time for (many) westbound arrivals to connect at SFO, nor to connect from SFO eastbound. That's got to be very heavily O&D and West Coast travelers.