QF 7002 then QF 1818 at Sydney
Singapore → Sydney → Cairns
Timetable, Sydney time
06:00QF 7002 from Singapore at the gate
12:40QF 1818 to Cairns leaves the gate
6 h 40 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 7002 and QF 1818 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.