DL 1223 then DL 472 at Atlanta
Cincinnati → Atlanta → Seattle
Timetable, Atlanta time
16:33DL 1223 from Cincinnati at the gate
14:05DL 472 to Seattle leaves the gate
21 h 32 apart on the timetable, overnight
DL 472 leaves 21 h 32 after DL 1223 arrives on the timetable: more than half a day, so not a connection we count.