UA 777 then CA 3174 at O'Hare
Tampa → Chicago → Guangzhou
Timetable, Chicago time
09:24UA 777 from Tampa at the gate
22:40CA 3174 to Guangzhou leaves the gate
13 h 16 apart on the timetable
CA 3174 leaves 13 h 16 after UA 777 arrives on the timetable: more than half a day, so not a connection we count.