AA 2448 then AA 2426 at DFW
Mc Allen → Dallas-Fort Worth → Louisville
Timetable, Dallas-Fort Worth time
08:00AA 2448 from Mc Allen at the gate
20:18AA 2426 to Louisville leaves the gate
12 h 18 apart on the timetable
AA 2426 leaves 12 h 18 after AA 2448 arrives on the timetable: more than half a day, so not a connection we count.