AA 2751 then AA 3589 at DFW
Fort Lauderdale → Dallas-Fort Worth → Laredo
Timetable, Dallas-Fort Worth time
21:37AA 2751 from Fort Lauderdale at the gate
21:30AA 3589 to Laredo leaves the gate
23 h 53 apart on the timetable, overnight
AA 3589 leaves 23 h 53 after AA 2751 arrives on the timetable: more than half a day, so not a connection we count.