DL 562 then DL 2174 at Atlanta
Seattle → Atlanta → Charleston (South Carolina)
Timetable, Atlanta time
16:13DL 562 from Seattle at the gate
15:15DL 2174 to Charleston (South Carolina) leaves the gate
23 h 02 apart on the timetable, overnight
DL 2174 leaves 23 h 02 after DL 562 arrives on the timetable: more than half a day, so not a connection we count.