AA 3356 then AA 2753 at DFW
Missoula → Dallas-Fort Worth → Valparaiso
Timetable, Dallas-Fort Worth time
17:32AA 3356 from Missoula at the gate
16:51AA 2753 to Valparaiso leaves the gate
23 h 19 apart on the timetable, overnight
AA 2753 leaves 23 h 19 after AA 3356 arrives on the timetable: more than half a day, so not a connection we count.