DL 1666 then DL 2976 at Atlanta
Memphis → Atlanta → Austin
Timetable, Atlanta time
08:23DL 1666 from Memphis at the gate
08:16DL 2976 to Austin leaves the gate
23 h 53 apart on the timetable, overnight
DL 2976 leaves 23 h 53 after DL 1666 arrives on the timetable: more than half a day, so not a connection we count.