AA 1749 then AA 2753 at DFW
Philadelphia → Dallas-Fort Worth → Valparaiso
Timetable, Dallas-Fort Worth time
16:53AA 1749 from Philadelphia at the gate
16:51AA 2753 to Valparaiso leaves the gate
23 h 58 apart on the timetable, overnight
AA 2753 leaves 23 h 58 after AA 1749 arrives on the timetable: more than half a day, so not a connection we count.