UA 3760 then CA 818 at Dulles
State College → Washington → Beijing
Timetable, Washington time
03:21UA 3760 from State College at the gate
22:00CA 818 to Beijing leaves the gate
18 h 39 apart on the timetable
CA 818 leaves 18 h 39 after UA 3760 arrives on the timetable: more than half a day, so not a connection we count.