CA 1454 then CA 1211 at Beijing
Mianyang → Beijing → Urumqi
Timetable, Beijing time
13:25CA 1454 from Mianyang at the gate
10:45CA 1211 to Urumqi leaves the gate
21 h 20 apart on the timetable, overnight
CA 1211 leaves 21 h 20 after CA 1454 arrives on the timetable: more than half a day, so not a connection we count.