OM 223 then CA 1203 at Beijing
Ulaanbaatar → Beijing → Xining
Timetable, Beijing time
19:30OM 223 from Ulaanbaatar at the gate
15:10CA 1203 to Xining leaves the gate
19 h 40 apart on the timetable, overnight
CA 1203 leaves 19 h 40 after OM 223 arrives on the timetable: more than half a day, so not a connection we count.