AA 1661 then CA 3174 at O'Hare
Orlando → Chicago → Guangzhou
Timetable, Chicago time
17:30AA 1661 from Orlando at the gate
13:40CA 3174 to Guangzhou leaves the gate
20 h 10 apart on the timetable, overnight
CA 3174 leaves 20 h 10 after AA 1661 arrives on the timetable: more than half a day, so not a connection we count.