AS 2355 then DL 558 at Seattle
Redmond → Seattle → Cincinnati
Timetable, Seattle time
11:39AS 2355 from Redmond at the gate
11:30DL 558 to Cincinnati leaves the gate
23 h 51 apart on the timetable, overnight
DL 558 leaves 23 h 51 after AS 2355 arrives on the timetable: more than half a day, so not a connection we count.