CA 1252 then BR 715 at Beijing
Urumqi → Beijing → Taipei
Timetable, Beijing time
17:00CA 1252 from Urumqi at the gate
13:55BR 715 to Taipei leaves the gate
20 h 55 apart on the timetable, overnight
BR 715 leaves 20 h 55 after CA 1252 arrives on the timetable: more than half a day, so not a connection we count.