BR 646 then UA 4673 at O'Hare
Anchorage → Chicago → Appleton
Timetable, Chicago time
17:10BR 646 from Anchorage at the gate
12:48UA 4673 to Appleton leaves the gate
19 h 38 apart on the timetable, overnight
UA 4673 leaves 19 h 38 after BR 646 arrives on the timetable: more than half a day, so not a connection we count.