HY 573 then HU 7287 at Guangzhou
Tashkent → Guangzhou → Zhengzhou
Timetable, Guangzhou time
04:00HY 573 from Tashkent at the gate
16:15HU 7287 to Zhengzhou leaves the gate
12 h 15 apart on the timetable
HU 7287 leaves 12 h 15 after HY 573 arrives on the timetable: more than half a day, so not a connection we count.