AA 3994 then AA 6238 at DFW
Lake Charles → Dallas-Fort Worth → Amarillo
Timetable, Dallas-Fort Worth time
19:40AA 3994 from Lake Charles at the gate
08:25AA 6238 to Amarillo leaves the gate
12 h 45 apart on the timetable, overnight
AA 6238 leaves 12 h 45 after AA 3994 arrives on the timetable: more than half a day, so not a connection we count.