OM 223 then CA 4148 at Beijing
Ulaanbaatar → Beijing → Chongqing
Timetable, Beijing time
19:30OM 223 from Ulaanbaatar at the gate
10:55CA 4148 to Chongqing leaves the gate
15 h 25 apart on the timetable, overnight
CA 4148 leaves 15 h 25 after OM 223 arrives on the timetable: more than half a day, so not a connection we count.