KR 721 then CX 706 at Bangkok
Siem Reap → Bangkok → Hong Kong
Timetable, Bangkok time
17:05KR 721 from Siem Reap at the gate
17:00CX 706 to Hong Kong leaves the gate
23 h 55 apart on the timetable, overnight
CX 706 leaves 23 h 55 after KR 721 arrives on the timetable: more than half a day, so not a connection we count.