AA 2975 then CA 3174 at O'Hare
Minneapolis → Chicago → Guangzhou
Timetable, Chicago time
17:26AA 2975 from Minneapolis at the gate
13:40CA 3174 to Guangzhou leaves the gate
20 h 14 apart on the timetable, overnight
CA 3174 leaves 20 h 14 after AA 2975 arrives on the timetable: more than half a day, so not a connection we count.