DL 854 then AA 5081 at Atlanta
Springfield → Atlanta → Philadelphia
Timetable, Atlanta time
18:14DL 854 from Springfield at the gate
16:25AA 5081 to Philadelphia leaves the gate
22 h 11 apart on the timetable, overnight
AA 5081 leaves 22 h 11 after DL 854 arrives on the timetable: more than half a day, so not a connection we count.