AA 3652 then AA 6238 at DFW
Bismarck → Dallas-Fort Worth → Amarillo
Timetable, Dallas-Fort Worth time
09:49AA 3652 from Bismarck at the gate
08:25AA 6238 to Amarillo leaves the gate
22 h 36 apart on the timetable, overnight
AA 6238 leaves 22 h 36 after AA 3652 arrives on the timetable: more than half a day, so not a connection we count.