DL 2925 then DL 1491 at Atlanta
Mobile → Atlanta → Austin
Timetable, Atlanta time
20:35DL 2925 from Mobile at the gate
16:55DL 1491 to Austin leaves the gate
20 h 20 apart on the timetable, overnight
DL 1491 leaves 20 h 20 after DL 2925 arrives on the timetable: more than half a day, so not a connection we count.