CA 1690 then OM 224 at Beijing
Harbin → Beijing → Ulaanbaatar
Timetable, Beijing time
17:10CA 1690 from Harbin at the gate
11:30OM 224 to Ulaanbaatar leaves the gate
18 h 20 apart on the timetable, overnight
OM 224 leaves 18 h 20 after CA 1690 arrives on the timetable: more than half a day, so not a connection we count.