QF 454 then QF 2121 at Sydney
Melbourne → Sydney → Griffith
Timetable, Sydney time
16:30QF 454 from Melbourne at the gate
06:05QF 2121 to Griffith leaves the gate
13 h 35 apart on the timetable, overnight
QF 2121 leaves 13 h 35 after QF 454 arrives on the timetable: more than half a day, so not a connection we count.