OM 223 then CA 1373 at Beijing
Ulaanbaatar → Beijing → Changsha
Timetable, Beijing time
19:30OM 223 from Ulaanbaatar at the gate
12:55CA 1373 to Changsha leaves the gate
17 h 25 apart on the timetable, overnight
CA 1373 leaves 17 h 25 after OM 223 arrives on the timetable: more than half a day, so not a connection we count.