DL 905 then UA 324 at Atlanta
Salt Lake City → Atlanta → Chicago O'Hare
Timetable, Atlanta time
23:00DL 905 from Salt Lake City at the gate
17:36UA 324 to Chicago O'Hare leaves the gate
18 h 36 apart on the timetable, overnight
UA 324 leaves 18 h 36 after DL 905 arrives on the timetable: more than half a day, so not a connection we count.