QF 1511 then QF 622 at Melbourne
Sydney Kingsford Smith → Melbourne → Brisbane
Timetable, Melbourne time
17:35QF 1511 from Sydney Kingsford Smith at the gate
15:45QF 622 to Brisbane leaves the gate
22 h 10 apart on the timetable, overnight
QF 622 leaves 22 h 10 after QF 1511 arrives on the timetable: more than half a day, so not a connection we count.