DL 2925 then DL 2780 at Atlanta
Mobile → Atlanta → Dallas
Timetable, Atlanta time
20:35DL 2925 from Mobile at the gate
16:46DL 2780 to Dallas leaves the gate
20 h 11 apart on the timetable, overnight
DL 2780 leaves 20 h 11 after DL 2925 arrives on the timetable: more than half a day, so not a connection we count.