UA 763 then CK 626 at O'Hare
Toronto Pearson → Chicago → Shanghai
Timetable, Chicago time
09:44UA 763 from Toronto Pearson at the gate
00:01CK 626 to Shanghai leaves the gate
14 h 17 apart on the timetable, overnight
CK 626 leaves 14 h 17 after UA 763 arrives on the timetable: more than half a day, so not a connection we count.