DL 706 then AA 5081 at Atlanta
Denver → Atlanta → Philadelphia
Timetable, Atlanta time
18:01DL 706 from Denver at the gate
16:25AA 5081 to Philadelphia leaves the gate
22 h 24 apart on the timetable, overnight
AA 5081 leaves 22 h 24 after DL 706 arrives on the timetable: more than half a day, so not a connection we count.