QF 7215 then QF 608 at Melbourne
Perth → Melbourne → Brisbane
Timetable, Melbourne time
01:22QF 7215 from Perth at the gate
08:10QF 608 to Brisbane leaves the gate
6 h 48 apart on the timetable
The last days
QF 7215 and QF 608 weren’t both flown 15 min to 12 h apart in the last 21 days.
Statistics from past flights, not live flight information. Always check times and your connection with your airline, and don’t base travel or booking decisions on these numbers.