QF 504 then QF 1259 at Brisbane
Sydney Kingsford Smith → Brisbane → Melbourne (MEL)
Timetable, Brisbane time
07:30QF 504 from Sydney Kingsford Smith at the gate
11:25QF 1259 to Melbourne (MEL) leaves the gate
3 h 55 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 504 and QF 1259 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.