VA 837 then QF 2121 at Sydney
Melbourne → Sydney → Griffith
Timetable, Sydney time
12:25VA 837 from Melbourne at the gate
06:05QF 2121 to Griffith leaves the gate
17 h 40 apart on the timetable, overnight
QF 2121 leaves 17 h 40 after VA 837 arrives on the timetable: more than half a day, so not a connection we count.