AA 557 then DL 1056 at Atlanta
Philadelphia → Atlanta → Indianapolis
Timetable, Atlanta time
18:09AA 557 from Philadelphia at the gate
17:22DL 1056 to Indianapolis leaves the gate
23 h 13 apart on the timetable, overnight
DL 1056 leaves 23 h 13 after AA 557 arrives on the timetable: more than half a day, so not a connection we count.