SG 87 then 7C 2504 at Bangkok
New Delhi → Bangkok → Seoul
Timetable, Bangkok time
02:45SG 87 from New Delhi at the gate
01:007C 2504 to Seoul leaves the gate
22 h 15 apart on the timetable, overnight
7C 2504 leaves 22 h 15 after SG 87 arrives on the timetable: more than half a day, so not a connection we count.