KR 703 then TG 401 at Bangkok
Phnom Penh → Bangkok → Singapore
Timetable, Bangkok time
21:20KR 703 from Phnom Penh at the gate
18:45TG 401 to Singapore leaves the gate
21 h 25 apart on the timetable, overnight
TG 401 leaves 21 h 25 after KR 703 arrives on the timetable: more than half a day, so not a connection we count.