AA 2636 then CA 3174 at O'Hare
San Jose del Cabo → Chicago → Guangzhou
Timetable, Chicago time
19:15AA 2636 from San Jose del Cabo at the gate
13:40CA 3174 to Guangzhou leaves the gate
18 h 25 apart on the timetable, overnight
CA 3174 leaves 18 h 25 after AA 2636 arrives on the timetable: more than half a day, so not a connection we count.