WN 1457 then AA 5215 at Philadelphia
Dallas → Philadelphia → Harrisburg
Timetable, Philadelphia time
11:30WN 1457 from Dallas at the gate
08:20AA 5215 to Harrisburg leaves the gate
20 h 50 apart on the timetable, overnight
AA 5215 leaves 20 h 50 after WN 1457 arrives on the timetable: more than half a day, so not a connection we count.