UO 734 then NH 8508 at Bangkok
Hong Kong → Bangkok → Tokyo Haneda
Timetable, Bangkok time
23:40UO 734 from Hong Kong at the gate
22:25NH 8508 to Tokyo Haneda leaves the gate
22 h 45 apart on the timetable, overnight
NH 8508 leaves 22 h 45 after UO 734 arrives on the timetable: more than half a day, so not a connection we count.