OM 223 then CA 1439 at Beijing
Ulaanbaatar → Beijing → Chongqing
Timetable, Beijing time
19:30OM 223 from Ulaanbaatar at the gate
13:55CA 1439 to Chongqing leaves the gate
18 h 25 apart on the timetable, overnight
CA 1439 leaves 18 h 25 after OM 223 arrives on the timetable: more than half a day, so not a connection we count.