JQ 7991 then SQ 208 at Melbourne
Brisbane → Melbourne → Singapore
Timetable, Melbourne time
21:30JQ 7991 from Brisbane at the gate
19:25SQ 208 to Singapore leaves the gate
21 h 55 apart on the timetable, overnight
SQ 208 leaves 21 h 55 after JQ 7991 arrives on the timetable: more than half a day, so not a connection we count.