DL 2925 then AA 2398 at Atlanta
Mobile → Atlanta → Dallas-Fort Worth
Timetable, Atlanta time
20:35DL 2925 from Mobile at the gate
17:30AA 2398 to Dallas-Fort Worth leaves the gate
20 h 55 apart on the timetable, overnight
AA 2398 leaves 20 h 55 after DL 2925 arrives on the timetable: more than half a day, so not a connection we count.