DL 2925 then DL 1769 at Atlanta
Mobile → Atlanta → Chattanooga
Timetable, Atlanta time
20:35DL 2925 from Mobile at the gate
17:46DL 1769 to Chattanooga leaves the gate
21 h 11 apart on the timetable, overnight
DL 1769 leaves 21 h 11 after DL 2925 arrives on the timetable: more than half a day, so not a connection we count.