DL 2377 then CA 3174 at O'Hare
Salt Lake City → Chicago → Guangzhou
Timetable, Chicago time
18:05DL 2377 from Salt Lake City at the gate
13:40CA 3174 to Guangzhou leaves the gate
19 h 35 apart on the timetable, overnight
CA 3174 leaves 19 h 35 after DL 2377 arrives on the timetable: more than half a day, so not a connection we count.