AA 3165 then CA 3174 at O'Hare
Phoenix → Chicago → Guangzhou
Timetable, Chicago time
17:55AA 3165 from Phoenix at the gate
13:40CA 3174 to Guangzhou leaves the gate
19 h 45 apart on the timetable, overnight
CA 3174 leaves 19 h 45 after AA 3165 arrives on the timetable: more than half a day, so not a connection we count.