QF 629 then QF 458 at Melbourne
Brisbane → Melbourne → Sydney Kingsford Smith
Timetable, Melbourne time
18:00QF 629 from Brisbane at the gate
15:25QF 458 to Sydney Kingsford Smith leaves the gate
21 h 25 apart on the timetable, overnight
QF 458 leaves 21 h 25 after QF 629 arrives on the timetable: more than half a day, so not a connection we count.