QF 412 then QF 1286 at Sydney
Melbourne → Sydney → Brisbane
Timetable, Sydney time
08:45QF 412 from Melbourne at the gate
19:50QF 1286 to Brisbane leaves the gate
11 h 05 apart on the timetable
Sydney’s board shows about 68% of departures at their timetable time, so delays of a few minutes don’t show here.
The last days
QF 412 and QF 1286 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.