SG 87 then TG 471 at Bangkok
New Delhi → Bangkok → Sydney
Timetable, Bangkok time
02:45SG 87 from New Delhi at the gate
22:35TG 471 to Sydney leaves the gate
19 h 50 apart on the timetable
TG 471 leaves 19 h 50 after SG 87 arrives on the timetable: more than half a day, so not a connection we count.