HU 429 then UL 407 at Bangkok
Beijing Capital → Bangkok → Colombo
Timetable, Bangkok time
14:20HU 429 from Beijing Capital at the gate
13:55UL 407 to Colombo leaves the gate
23 h 35 apart on the timetable, overnight
UL 407 leaves 23 h 35 after HU 429 arrives on the timetable: more than half a day, so not a connection we count.