UA 5504 then CA 3104 at O'Hare
Peoria → Chicago → Shanghai
Timetable, Chicago time
11:59UA 5504 from Peoria at the gate
11:40CA 3104 to Shanghai leaves the gate
23 h 41 apart on the timetable, overnight
CA 3104 leaves 23 h 41 after UA 5504 arrives on the timetable: more than half a day, so not a connection we count.