GD 862 then QF 1802 at Brisbane
Moranbah → Brisbane → Adelaide
Timetable, Brisbane time
10:10GD 862 from Moranbah at the gate
12:00QF 1802 to Adelaide leaves the gate
1 h 50 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
GD 862 and QF 1802 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.