DL 215 then DL 472 at Atlanta
Rome → Atlanta → Seattle
Timetable, Atlanta time
15:51DL 215 from Rome at the gate
14:05DL 472 to Seattle leaves the gate
22 h 14 apart on the timetable, overnight
DL 472 leaves 22 h 14 after DL 215 arrives on the timetable: more than half a day, so not a connection we count.