BR 646 then UA 3519 at O'Hare
Anchorage → Chicago → Milwaukee
Timetable, Chicago time
06:51BR 646 from Anchorage at the gate
19:45UA 3519 to Milwaukee leaves the gate
12 h 54 apart on the timetable
UA 3519 leaves 12 h 54 after BR 646 arrives on the timetable: more than half a day, so not a connection we count.