AA 3466 then AA 6238 at DFW
Laredo → Dallas-Fort Worth → Amarillo
Timetable, Dallas-Fort Worth time
19:39AA 3466 from Laredo at the gate
08:25AA 6238 to Amarillo leaves the gate
12 h 46 apart on the timetable, overnight
AA 6238 leaves 12 h 46 after AA 3466 arrives on the timetable: more than half a day, so not a connection we count.