CA 465 then NH 8508 at Bangkok
Chengdu → Bangkok → Tokyo Narita
Timetable, Bangkok time
12:30CA 465 from Chengdu at the gate
04:47NH 8508 to Tokyo Narita leaves the gate
16 h 17 apart on the timetable, overnight
NH 8508 leaves 16 h 17 after CA 465 arrives on the timetable: more than half a day, so not a connection we count.