VA 477 then QF 2850 at Brisbane
Perth → Brisbane → Roma
Timetable, Brisbane time
05:05VA 477 from Perth at the gate
09:50QF 2850 to Roma leaves the gate
4 h 45 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
VA 477 and QF 2850 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.