BR 608 then OO 391 at O'Hare
Anchorage → Chicago → Detroit
Timetable, Chicago time
20:03BR 608 from Anchorage at the gate
14:30OO 391 to Detroit leaves the gatealso UA 391
18 h 27 apart on the timetable, overnight
OO 391 leaves 18 h 27 after BR 608 arrives on the timetable: more than half a day, so not a connection we count.