AA 2877 then AA 2753 at DFW
Cozumel → Dallas-Fort Worth → Valparaiso
Timetable, Dallas-Fort Worth time
17:31AA 2877 from Cozumel at the gate
16:51AA 2753 to Valparaiso leaves the gate
23 h 20 apart on the timetable, overnight
AA 2753 leaves 23 h 20 after AA 2877 arrives on the timetable: more than half a day, so not a connection we count.