DL 1625 then DL 665 at Atlanta
Memphis → Atlanta → Ontario
Timetable, Atlanta time
10:30DL 1625 from Memphis at the gate
09:20DL 665 to Ontario leaves the gate
22 h 50 apart on the timetable, overnight
DL 665 leaves 22 h 50 after DL 1625 arrives on the timetable: more than half a day, so not a connection we count.