UA 2627 then CA 3174 at O'Hare
Hartford → Chicago → Guangzhou
Timetable, Chicago time
18:50UA 2627 from Hartford at the gate
17:25CA 3174 to Guangzhou leaves the gate
22 h 35 apart on the timetable, overnight
CA 3174 leaves 22 h 35 after UA 2627 arrives on the timetable: more than half a day, so not a connection we count.