AA 3498 then CZ 438 at O'Hare
Tulsa → Chicago → Shanghai
Timetable, Chicago time
12:52AA 3498 from Tulsa at the gate
01:45CZ 438 to Shanghai leaves the gate
12 h 53 apart on the timetable, overnight
CZ 438 leaves 12 h 53 after AA 3498 arrives on the timetable: more than half a day, so not a connection we count.