DL 706 then DL 1692 at Atlanta
Denver → Atlanta → Philadelphia
Timetable, Atlanta time
18:01DL 706 from Denver at the gate
14:16DL 1692 to Philadelphia leaves the gate
20 h 15 apart on the timetable, overnight
DL 1692 leaves 20 h 15 after DL 706 arrives on the timetable: more than half a day, so not a connection we count.