DL 905 then DL 5161 at Atlanta
Salt Lake City → Atlanta → Montgomery
Timetable, Atlanta time
23:00DL 905 from Salt Lake City at the gate
17:39DL 5161 to Montgomery leaves the gate
18 h 39 apart on the timetable, overnight
DL 5161 leaves 18 h 39 after DL 905 arrives on the timetable: more than half a day, so not a connection we count.