DL 1185 then DL 173 at Salt Lake City
Santa Ana → Salt Lake City → Seoul
Timetable, Salt Lake City time
11:00DL 1185 from Santa Ana at the gate
10:50DL 173 to Seoul leaves the gate
23 h 50 apart on the timetable, overnight
DL 173 leaves 23 h 50 after DL 1185 arrives on the timetable: more than half a day, so not a connection we count.