AA 3438 then CZ 438 at O'Hare
El Paso → Chicago → Shanghai
Timetable, Chicago time
11:10AA 3438 from El Paso at the gate
01:45CZ 438 to Shanghai leaves the gate
14 h 35 apart on the timetable, overnight
CZ 438 leaves 14 h 35 after AA 3438 arrives on the timetable: more than half a day, so not a connection we count.