AA 3556 then AA 2753 at DFW
Mazatlan → Dallas-Fort Worth → Valparaiso
Timetable, Dallas-Fort Worth time
17:08AA 3556 from Mazatlan at the gate
16:51AA 2753 to Valparaiso leaves the gate
23 h 43 apart on the timetable, overnight
AA 2753 leaves 23 h 43 after AA 3556 arrives on the timetable: more than half a day, so not a connection we count.