JQ 671 then QF 7945 at Sydney
Darwin → Sydney → Launceston
Timetable, Sydney time
06:15JQ 671 from Darwin at the gate
09:40QF 7945 to Launceston leaves the gate
3 h 25 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
JQ 671 and QF 7945 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.