CZ 6594 then CZ 657 at Guangzhou
Ordos → Guangzhou → San Francisco
Timetable, Guangzhou time
01:40CZ 6594 from Ordos at the gate
23:25CZ 657 to San Francisco leaves the gate
21 h 45 apart on the timetable
CZ 657 leaves 21 h 45 after CZ 6594 arrives on the timetable: more than half a day, so not a connection we count.