DL 4097 then AA 3083 at Atlanta
South Bend → Atlanta → Philadelphia
Timetable, Atlanta time
14:35DL 4097 from South Bend at the gate
14:19AA 3083 to Philadelphia leaves the gate
23 h 44 apart on the timetable, overnight
AA 3083 leaves 23 h 44 after DL 4097 arrives on the timetable: more than half a day, so not a connection we count.