UA 4534 then CK 626 at O'Hare
Tulsa → Chicago → Shanghai
Timetable, Chicago time
20:00UA 4534 from Tulsa at the gate
19:27CK 626 to Shanghai leaves the gate
23 h 27 apart on the timetable, overnight
CK 626 leaves 23 h 27 after UA 4534 arrives on the timetable: more than half a day, so not a connection we count.