CA 1142 then CA 1511 at Beijing
Ordos → Beijing → Nanchang
Timetable, Beijing time
10:25CA 1142 from Ordos at the gate
10:10CA 1511 to Nanchang leaves the gate
23 h 45 apart on the timetable, overnight
CA 1511 leaves 23 h 45 after CA 1142 arrives on the timetable: more than half a day, so not a connection we count.