AA 3163 then CA 3174 at O'Hare
New York LaGuardia → Chicago → Guangzhou
Timetable, Chicago time
20:02AA 3163 from New York LaGuardia at the gate
13:40CA 3174 to Guangzhou leaves the gate
17 h 38 apart on the timetable, overnight
CA 3174 leaves 17 h 38 after AA 3163 arrives on the timetable: more than half a day, so not a connection we count.