2I 1650 then DL 539 at Atlanta
Cincinnati → Atlanta → Portland (Oregon)
Timetable, Atlanta time
15:582I 1650 from Cincinnati at the gate
08:28DL 539 to Portland (Oregon) leaves the gate
16 h 30 apart on the timetable, overnight
DL 539 leaves 16 h 30 after 2I 1650 arrives on the timetable: more than half a day, so not a connection we count.