DL 2925 then DL 503 at Atlanta
Mobile → Atlanta → Portland (Oregon)
Timetable, Atlanta time
20:35DL 2925 from Mobile at the gate
16:53DL 503 to Portland (Oregon) leaves the gate
20 h 18 apart on the timetable, overnight
DL 503 leaves 20 h 18 after DL 2925 arrives on the timetable: more than half a day, so not a connection we count.