AA 488 then AA 1254 at DFW
Memphis → Dallas-Fort Worth → Nashville
Timetable, Dallas-Fort Worth time
09:05AA 488 from Memphis at the gate
07:30AA 1254 to Nashville leaves the gate
22 h 25 apart on the timetable, overnight
AA 1254 leaves 22 h 25 after AA 488 arrives on the timetable: more than half a day, so not a connection we count.