AA 2187 then AA 2753 at DFW
Oaxaca → Dallas-Fort Worth → Valparaiso
Timetable, Dallas-Fort Worth time
17:28AA 2187 from Oaxaca at the gate
16:51AA 2753 to Valparaiso leaves the gate
23 h 23 apart on the timetable, overnight
AA 2753 leaves 23 h 23 after AA 2187 arrives on the timetable: more than half a day, so not a connection we count.