KR 935 then CZ 6091 at Guangzhou
Phnom Penh → Guangzhou → Vientiane
Timetable, Guangzhou time
19:00KR 935 from Phnom Penh at the gate
13:35CZ 6091 to Vientiane leaves the gate
18 h 35 apart on the timetable, overnight
CZ 6091 leaves 18 h 35 after KR 935 arrives on the timetable: more than half a day, so not a connection we count.