QF 1511 then QF 900 at Melbourne
Sydney Kingsford Smith → Melbourne → Adelaide
Timetable, Melbourne time
17:35QF 1511 from Sydney Kingsford Smith at the gate
16:17QF 900 to Adelaide leaves the gate
22 h 42 apart on the timetable, overnight
QF 900 leaves 22 h 42 after QF 1511 arrives on the timetable: more than half a day, so not a connection we count.