OD 172 then AK 190 at Kuala Lumpur
Sydney → Kuala Lumpur → Changsha
Timetable, Kuala Lumpur time
17:20OD 172 from Sydney at the gate
17:10AK 190 to Changsha leaves the gate
23 h 50 apart on the timetable, overnight
AK 190 leaves 23 h 50 after OD 172 arrives on the timetable: more than half a day, so not a connection we count.