CA 3103 then OO 9915 at O'Hare
Anchorage → Chicago → Milwaukee
Timetable, Chicago time
15:07CA 3103 from Anchorage at the gate
13:00OO 9915 to Milwaukee leaves the gate
21 h 53 apart on the timetable, overnight
OO 9915 leaves 21 h 53 after CA 3103 arrives on the timetable: more than half a day, so not a connection we count.