VN 681 then FM 864 at Kuala Lumpur
Hanoi → Kuala Lumpur → Shanghai
Timetable, Kuala Lumpur time
19:10VN 681 from Hanoi at the gate
07:40FM 864 to Shanghai leaves the gate
12 h 30 apart on the timetable, overnight
FM 864 leaves 12 h 30 after VN 681 arrives on the timetable: more than half a day, so not a connection we count.