If as some here claim extra QR flights will make fares so much cheaper (something I dispute as QR are on the expensive end of the airfare spectrum) then flights to/from CBR should be viable, as in addition to ACT natives some from greater Sydney could drive/bus to CBR for the savings and others connect to CBR instead of SYD.
Fiji Airways have decided CBR is viable.
Rumor is that FJ will be pulling out of CBR, poor performance, Also cant compare the viability of twice weekly 4.5 hour B737 flight to a beach resort destination (where O&D demand exists) to a 14 hour flight on a widebody