AA 417 then AA 9981 at Philadelphia
Dallas-Fort Worth → Philadelphia → Salisbury
Timetable, Philadelphia time
11:48AA 417 from Dallas-Fort Worth at the gate
01:00AA 9981 to Salisbury leaves the gate
13 h 12 apart on the timetable, overnight
AA 9981 leaves 13 h 12 after AA 417 arrives on the timetable: more than half a day, so not a connection we count.