DL 2925 then AA 5510 at Atlanta
Mobile → Atlanta → Washington National
Timetable, Atlanta time
20:35DL 2925 from Mobile at the gate
20:17AA 5510 to Washington National leaves the gate
23 h 42 apart on the timetable, overnight
AA 5510 leaves 23 h 42 after DL 2925 arrives on the timetable: more than half a day, so not a connection we count.