BR 646 then UA 5674 at O'Hare
Anchorage → Chicago → South Bend
Timetable, Chicago time
17:10BR 646 from Anchorage at the gate
16:30UA 5674 to South Bend leaves the gate
23 h 20 apart on the timetable, overnight
UA 5674 leaves 23 h 20 after BR 646 arrives on the timetable: more than half a day, so not a connection we count.