CX 392 then OM 224 at Beijing
Hong Kong → Beijing → Ulaanbaatar
Timetable, Beijing time
17:20CX 392 from Hong Kong at the gate
11:30OM 224 to Ulaanbaatar leaves the gate
18 h 10 apart on the timetable, overnight
OM 224 leaves 18 h 10 after CX 392 arrives on the timetable: more than half a day, so not a connection we count.