QF 7221 then QF 6155 at Brisbane
Sydney (WSI) → Brisbane → Melbourne (MEL)
Timetable, Brisbane time
02:48QF 7221 from Sydney (WSI) at the gate
09:11QF 6155 to Melbourne (MEL) leaves the gate
6 h 23 apart on the timetable
Brisbane’s board shows about 66% of departures at their timetable time, so delays of a few minutes don’t show here.
The last days
QF 7221 and QF 6155 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.