QF 943 then QF 628 at Melbourne
Canberra → Melbourne → Brisbane
Timetable, Melbourne time
11:52QF 943 from Canberra at the gate
17:45QF 628 to Brisbane leaves the gate
5 h 53 apart on the timetable
The last days
QF 943 and QF 628 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.