CV 21 then OO 535 at O'Hare
Anchorage → Chicago → Detroit
Timetable, Chicago time
01:25CV 21 from Anchorage at the gate
21:30OO 535 to Detroit leaves the gate
20 h 05 apart on the timetable
OO 535 leaves 20 h 05 after CV 21 arrives on the timetable: more than half a day, so not a connection we count.