AA 4248 then AA 6355 at Phoenix
Mc Allen → Phoenix → St George
Timetable, Phoenix time
07:35AA 4248 from Mc Allen at the gate
20:00AA 6355 to St George leaves the gate
12 h 25 apart on the timetable
AA 6355 leaves 12 h 25 after AA 4248 arrives on the timetable: more than half a day, so not a connection we count.