AA 5405 then AA 6238 at DFW
Springfield → Dallas-Fort Worth → Amarillo
Timetable, Dallas-Fort Worth time
14:38AA 5405 from Springfield at the gate
08:25AA 6238 to Amarillo leaves the gate
17 h 47 apart on the timetable, overnight
AA 6238 leaves 17 h 47 after AA 5405 arrives on the timetable: more than half a day, so not a connection we count.