AA 2398 then DL 533 at Seattle
Chicago O'Hare → Seattle → Detroit
Timetable, Seattle time
14:20AA 2398 from Chicago O'Hare at the gate
13:35DL 533 to Detroit leaves the gate
23 h 15 apart on the timetable, overnight
DL 533 leaves 23 h 15 after AA 2398 arrives on the timetable: more than half a day, so not a connection we count.