DL 562 then DL 659 at Atlanta
Seattle → Atlanta → Las Vegas
Timetable, Atlanta time
16:13DL 562 from Seattle at the gate
15:36DL 659 to Las Vegas leaves the gate
23 h 23 apart on the timetable, overnight
DL 659 leaves 23 h 23 after DL 562 arrives on the timetable: more than half a day, so not a connection we count.