JQ 7991 then QF 693 at Melbourne
Brisbane → Melbourne → Adelaide
Timetable, Melbourne time
21:30JQ 7991 from Brisbane at the gate
18:10QF 693 to Adelaide leaves the gate
20 h 40 apart on the timetable, overnight
QF 693 leaves 20 h 40 after JQ 7991 arrives on the timetable: more than half a day, so not a connection we count.