AA 2327 then CA 3174 at O'Hare
Washington National → Chicago → Guangzhou
Timetable, Chicago time
18:33AA 2327 from Washington National at the gate
13:40CA 3174 to Guangzhou leaves the gate
19 h 07 apart on the timetable, overnight
CA 3174 leaves 19 h 07 after AA 2327 arrives on the timetable: more than half a day, so not a connection we count.