VZ 221 then K6 723 at Bangkok
Ubon Ratchathani → Bangkok → Phnom Penh
Timetable, Bangkok time
14:00VZ 221 from Ubon Ratchathani at the gate
13:40K6 723 to Phnom Penh leaves the gate
23 h 40 apart on the timetable, overnight
K6 723 leaves 23 h 40 after VZ 221 arrives on the timetable: more than half a day, so not a connection we count.