AA 3829 then AA 6257 at DFW
Tulsa → Dallas-Fort Worth → Lafayette
Timetable, Dallas-Fort Worth time
06:20AA 3829 from Tulsa at the gate
19:00AA 6257 to Lafayette leaves the gate
12 h 40 apart on the timetable
AA 6257 leaves 12 h 40 after AA 3829 arrives on the timetable: more than half a day, so not a connection we count.