AA 580 then DL 560 at Seattle
Charlotte → Seattle → Atlanta
Timetable, Seattle time
11:37AA 580 from Charlotte at the gate
23:40DL 560 to Atlanta leaves the gate
12 h 03 apart on the timetable
DL 560 leaves 12 h 03 after AA 580 arrives on the timetable: more than half a day, so not a connection we count.