UA 1107 then CA 8414 at O'Hare
Tampa → Chicago → Shanghai
Timetable, Chicago time
21:00UA 1107 from Tampa at the gate
20:45CA 8414 to Shanghai leaves the gate
23 h 45 apart on the timetable, overnight
CA 8414 leaves 23 h 45 after UA 1107 arrives on the timetable: more than half a day, so not a connection we count.