QF 7554 then QF 470 at Melbourne
Honolulu → Melbourne → Sydney Kingsford Smith
Timetable, Melbourne time
12:35QF 7554 from Honolulu at the gate
17:05QF 470 to Sydney Kingsford Smith leaves the gate
4 h 30 apart on the timetable
The last days
QF 7554 and QF 470 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.