DL 539 then DL 2881 at Atlanta
Portland (Oregon) → Atlanta → Orlando
Timetable, Atlanta time
19:27DL 539 from Portland (Oregon) at the gate
19:05DL 2881 to Orlando leaves the gate
23 h 38 apart on the timetable, overnight
DL 2881 leaves 23 h 38 after DL 539 arrives on the timetable: more than half a day, so not a connection we count.