MU 6307 then CZ 699 at Guangzhou
Beijing Daxing → Guangzhou → New York JFK
Timetable, Guangzhou time
19:30MU 6307 from Beijing Daxing at the gate
19:05CZ 699 to New York JFK leaves the gate
23 h 35 apart on the timetable, overnight
CZ 699 leaves 23 h 35 after MU 6307 arrives on the timetable: more than half a day, so not a connection we count.