Y4 7913 then AA 6238 at DFW
San Luis Potosi → Dallas-Fort Worth → Amarillo
Timetable, Dallas-Fort Worth time
15:31Y4 7913 from San Luis Potosi at the gate
08:25AA 6238 to Amarillo leaves the gate
16 h 54 apart on the timetable, overnight
AA 6238 leaves 16 h 54 after Y4 7913 arrives on the timetable: more than half a day, so not a connection we count.