QF 917 then QF 1516 at Melbourne
Sunshine Coast → Melbourne → Sydney Kingsford Smith
Timetable, Melbourne time
15:10QF 917 from Sunshine Coast at the gate
17:10QF 1516 to Sydney Kingsford Smith leaves the gate
2 h apart on the timetable
The last days
QF 917 and QF 1516 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.