MH 319 then SV 843 at Kuala Lumpur
Beijing Daxing → Kuala Lumpur → Jeddah
Timetable, Kuala Lumpur time
16:00MH 319 from Beijing Daxing at the gate
13:15SV 843 to Jeddah leaves the gate
21 h 15 apart on the timetable, overnight
SV 843 leaves 21 h 15 after MH 319 arrives on the timetable: more than half a day, so not a connection we count.