QF 1989 then VA 418 at Sydney
Townsville → Sydney → Adelaide
Timetable, Sydney time
18:00QF 1989 from Townsville at the gate
12:15VA 418 to Adelaide leaves the gate
18 h 15 apart on the timetable, overnight
VA 418 leaves 18 h 15 after QF 1989 arrives on the timetable: more than half a day, so not a connection we count.