AA 4972 then AA 6238 at DFW
Idaho Falls → Dallas-Fort Worth → Amarillo
Timetable, Dallas-Fort Worth time
17:35AA 4972 from Idaho Falls at the gate
08:25AA 6238 to Amarillo leaves the gate
14 h 50 apart on the timetable, overnight
AA 6238 leaves 14 h 50 after AA 4972 arrives on the timetable: more than half a day, so not a connection we count.