DL 2925 then DL 653 at Atlanta
Mobile → Atlanta → Salt Lake City
Timetable, Atlanta time
20:35DL 2925 from Mobile at the gate
17:58DL 653 to Salt Lake City leaves the gate
21 h 23 apart on the timetable, overnight
DL 653 leaves 21 h 23 after DL 2925 arrives on the timetable: more than half a day, so not a connection we count.