AA 6257 then AA 3589 at DFW
Lafayette → Dallas-Fort Worth → Laredo
Timetable, Dallas-Fort Worth time
21:40AA 6257 from Lafayette at the gate
21:30AA 3589 to Laredo leaves the gate
23 h 50 apart on the timetable, overnight
AA 3589 leaves 23 h 50 after AA 6257 arrives on the timetable: more than half a day, so not a connection we count.