AA 6484 then CA 3174 at O'Hare
Oklahoma City → Chicago → Guangzhou
Timetable, Chicago time
21:48AA 6484 from Oklahoma City at the gate
13:40CA 3174 to Guangzhou leaves the gate
15 h 52 apart on the timetable, overnight
CA 3174 leaves 15 h 52 after AA 6484 arrives on the timetable: more than half a day, so not a connection we count.