KR 721 then GA 867 at Bangkok
Siem Reap → Bangkok → Jakarta
Timetable, Bangkok time
17:05KR 721 from Siem Reap at the gate
14:15GA 867 to Jakarta leaves the gate
21 h 10 apart on the timetable, overnight
GA 867 leaves 21 h 10 after KR 721 arrives on the timetable: more than half a day, so not a connection we count.