OM 223 then ZH 1309 at Beijing
Ulaanbaatar → Beijing → Guangzhou
Timetable, Beijing time
19:30OM 223 from Ulaanbaatar at the gate
18:00ZH 1309 to Guangzhou leaves the gate
22 h 30 apart on the timetable, overnight
ZH 1309 leaves 22 h 30 after OM 223 arrives on the timetable: more than half a day, so not a connection we count.