AA 6424 then CA 3174 at O'Hare
Kansas City → Chicago → Guangzhou
Timetable, Chicago time
21:22AA 6424 from Kansas City at the gate
13:40CA 3174 to Guangzhou leaves the gate
16 h 18 apart on the timetable, overnight
CA 3174 leaves 16 h 18 after AA 6424 arrives on the timetable: more than half a day, so not a connection we count.