OM 223 then CA 1409 at Beijing
Ulaanbaatar → Beijing → Chongqing
Timetable, Beijing time
19:30OM 223 from Ulaanbaatar at the gate
16:15CA 1409 to Chongqing leaves the gate
20 h 45 apart on the timetable, overnight
CA 1409 leaves 20 h 45 after OM 223 arrives on the timetable: more than half a day, so not a connection we count.