DL 2925 then AA 597 at Atlanta
Mobile → Atlanta → Philadelphia
Timetable, Atlanta time
20:35DL 2925 from Mobile at the gate
18:56AA 597 to Philadelphia leaves the gate
22 h 21 apart on the timetable, overnight
AA 597 leaves 22 h 21 after DL 2925 arrives on the timetable: more than half a day, so not a connection we count.