OM 223 then CA 1531 at Beijing
Ulaanbaatar → Beijing → Shanghai Hongqiao
Timetable, Beijing time
19:30OM 223 from Ulaanbaatar at the gate
10:40CA 1531 to Shanghai Hongqiao leaves the gate
15 h 10 apart on the timetable, overnight
CA 1531 leaves 15 h 10 after OM 223 arrives on the timetable: more than half a day, so not a connection we count.