ZH 4494 then 9C 6921 at Guangzhou
Beijing Daxing → Guangzhou → Kuala Lumpur
Timetable, Guangzhou time
22:25ZH 4494 from Beijing Daxing at the gatealso CA 8394
05:309C 6921 to Kuala Lumpur leaves the gate
7 h 05 apart on the timetable, overnight
The last days
ZH 4494 and 9C 6921 weren’t both flown 15 min to 12 h apart in the last 21 days.
Statistics from past flights, not live flight information. Always check times and your connection with your airline, and don’t base travel or booking decisions on these numbers.