AA 4976 then AA 2753 at DFW
Lincoln → Dallas-Fort Worth → Valparaiso
Timetable, Dallas-Fort Worth time
16:56AA 4976 from Lincoln at the gate
16:51AA 2753 to Valparaiso leaves the gate
23 h 55 apart on the timetable, overnight
AA 2753 leaves 23 h 55 after AA 4976 arrives on the timetable: more than half a day, so not a connection we count.