QF 605 then QF 900 at Melbourne
Brisbane → Melbourne → Adelaide
Timetable, Melbourne time
08:30QF 605 from Brisbane at the gate
16:17QF 900 to Adelaide leaves the gate
7 h 47 apart on the timetable
The last days
QF 605 and QF 900 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.