AA 5076 then AA 2753 at DFW
Lubbock → Dallas-Fort Worth → Valparaiso
Timetable, Dallas-Fort Worth time
18:07AA 5076 from Lubbock at the gate
16:51AA 2753 to Valparaiso leaves the gate
22 h 44 apart on the timetable, overnight
AA 2753 leaves 22 h 44 after AA 5076 arrives on the timetable: more than half a day, so not a connection we count.