CZ 6594 then CZ 689 at Guangzhou
Ordos → Guangzhou → London Gatwick
Timetable, Guangzhou time
01:40CZ 6594 from Ordos at the gate
01:30CZ 689 to London Gatwick leaves the gate
23 h 50 apart on the timetable, overnight
CZ 689 leaves 23 h 50 after CZ 6594 arrives on the timetable: more than half a day, so not a connection we count.