AA 2203 then DL 558 at Seattle
Philadelphia → Seattle → Cincinnati
Timetable, Seattle time
11:34AA 2203 from Philadelphia at the gate
11:30DL 558 to Cincinnati leaves the gate
23 h 56 apart on the timetable, overnight
DL 558 leaves 23 h 56 after AA 2203 arrives on the timetable: more than half a day, so not a connection we count.