AA 2374 then AA 4040 at DFW
Detroit → Dallas-Fort Worth → Brownsville
Timetable, Dallas-Fort Worth time
13:44AA 2374 from Detroit at the gate
13:27AA 4040 to Brownsville leaves the gate
23 h 43 apart on the timetable, overnight
AA 4040 leaves 23 h 43 after AA 2374 arrives on the timetable: more than half a day, so not a connection we count.