QF 7223 then JQ 476 at Melbourne
Perth → Melbourne → Williamtown
Timetable, Melbourne time
03:28QF 7223 from Perth at the gate
18:45JQ 476 to Williamtown leaves the gate
15 h 17 apart on the timetable
JQ 476 leaves 15 h 17 after QF 7223 arrives on the timetable: more than half a day, so not a connection we count.