CA 818 then CA 1491 at Beijing
Washington → Beijing → Zunyi
Timetable, Beijing time
03:55CA 818 from Washington at the gate
17:15CA 1491 to Zunyi leaves the gate
13 h 20 apart on the timetable
CA 1491 leaves 13 h 20 after CA 818 arrives on the timetable: more than half a day, so not a connection we count.