OM 223 then CA 1843 at Beijing
Ulaanbaatar → Beijing → Hefei
Timetable, Beijing time
19:30OM 223 from Ulaanbaatar at the gate
13:25CA 1843 to Hefei leaves the gate
17 h 55 apart on the timetable, overnight
CA 1843 leaves 17 h 55 after OM 223 arrives on the timetable: more than half a day, so not a connection we count.