AA 3669 then CA 3174 at O'Hare
Sarasota → Chicago → Guangzhou
Timetable, Chicago time
19:25AA 3669 from Sarasota at the gate
13:40CA 3174 to Guangzhou leaves the gate
18 h 15 apart on the timetable, overnight
CA 3174 leaves 18 h 15 after AA 3669 arrives on the timetable: more than half a day, so not a connection we count.