UA 2005 then CA 3174 at O'Hare
Pensacola → Chicago → Guangzhou
Timetable, Chicago time
17:02UA 2005 from Pensacola at the gate
13:40CA 3174 to Guangzhou leaves the gate
20 h 38 apart on the timetable, overnight
CA 3174 leaves 20 h 38 after UA 2005 arrives on the timetable: more than half a day, so not a connection we count.