DL 905 then UA 516 at Atlanta
Salt Lake City → Atlanta → Chicago O'Hare
Timetable, Atlanta time
23:00DL 905 from Salt Lake City at the gate
15:32UA 516 to Chicago O'Hare leaves the gate
16 h 32 apart on the timetable, overnight
UA 516 leaves 16 h 32 after DL 905 arrives on the timetable: more than half a day, so not a connection we count.