DL 539 then DL 3093 at Atlanta
Portland (Oregon) → Atlanta → Louisville
Timetable, Atlanta time
19:27DL 539 from Portland (Oregon) at the gate
19:15DL 3093 to Louisville leaves the gate
23 h 48 apart on the timetable, overnight
DL 3093 leaves 23 h 48 after DL 539 arrives on the timetable: more than half a day, so not a connection we count.