OM 223 then CA 4138 at Beijing
Ulaanbaatar → Beijing → Chongqing
Timetable, Beijing time
19:30OM 223 from Ulaanbaatar at the gate
12:55CA 4138 to Chongqing leaves the gate
17 h 25 apart on the timetable, overnight
CA 4138 leaves 17 h 25 after OM 223 arrives on the timetable: more than half a day, so not a connection we count.