AA 1440 then AA 6238 at DFW
San Luis Potosi → Dallas-Fort Worth → Amarillo
Timetable, Dallas-Fort Worth time
15:24AA 1440 from San Luis Potosi at the gate
08:25AA 6238 to Amarillo leaves the gate
17 h 01 apart on the timetable, overnight
AA 6238 leaves 17 h 01 after AA 1440 arrives on the timetable: more than half a day, so not a connection we count.