AA 4972 then AA 2753 at DFW
Idaho Falls → Dallas-Fort Worth → Valparaiso
Timetable, Dallas-Fort Worth time
17:35AA 4972 from Idaho Falls at the gate
16:51AA 2753 to Valparaiso leaves the gate
23 h 16 apart on the timetable, overnight
AA 2753 leaves 23 h 16 after AA 4972 arrives on the timetable: more than half a day, so not a connection we count.