DL 2925 then DL 832 at Atlanta
Mobile → Atlanta → Washington National
Timetable, Atlanta time
20:35DL 2925 from Mobile at the gate
17:55DL 832 to Washington National leaves the gate
21 h 20 apart on the timetable, overnight
DL 832 leaves 21 h 20 after DL 2925 arrives on the timetable: more than half a day, so not a connection we count.