DL 706 then DL 5161 at Atlanta
Denver → Atlanta → Montgomery
Timetable, Atlanta time
18:01DL 706 from Denver at the gate
17:39DL 5161 to Montgomery leaves the gate
23 h 38 apart on the timetable, overnight
DL 5161 leaves 23 h 38 after DL 706 arrives on the timetable: more than half a day, so not a connection we count.