DL 905 then AA 1696 at Atlanta
Salt Lake City → Atlanta → Chicago O'Hare
Timetable, Atlanta time
23:35DL 905 from Salt Lake City at the gate
14:45AA 1696 to Chicago O'Hare leaves the gate
15 h 10 apart on the timetable, overnight
AA 1696 leaves 15 h 10 after DL 905 arrives on the timetable: more than half a day, so not a connection we count.