JQ 7991 then QF 498 at Melbourne
Brisbane → Melbourne → Sydney Kingsford Smith
Timetable, Melbourne time
21:30JQ 7991 from Brisbane at the gate
21:00QF 498 to Sydney Kingsford Smith leaves the gate
23 h 30 apart on the timetable, overnight
QF 498 leaves 23 h 30 after JQ 7991 arrives on the timetable: more than half a day, so not a connection we count.