JQ 7991 then QF 490 at Melbourne
Brisbane → Melbourne → Sydney Kingsford Smith
Timetable, Melbourne time
21:30JQ 7991 from Brisbane at the gate
20:10QF 490 to Sydney Kingsford Smith leaves the gate
22 h 40 apart on the timetable, overnight
QF 490 leaves 22 h 40 after JQ 7991 arrives on the timetable: more than half a day, so not a connection we count.