CV 251 then DL 1622 at O'Hare
Anchorage → Chicago → Detroit
Timetable, Chicago time
19:00CV 251 from Anchorage at the gate
08:29DL 1622 to Detroit leaves the gate
13 h 29 apart on the timetable, overnight
DL 1622 leaves 13 h 29 after CV 251 arrives on the timetable: more than half a day, so not a connection we count.