BR 646 then UA 5496 at O'Hare
Anchorage → Chicago → South Bend
Timetable, Chicago time
17:10BR 646 from Anchorage at the gate
13:55UA 5496 to South Bend leaves the gate
20 h 45 apart on the timetable, overnight
UA 5496 leaves 20 h 45 after BR 646 arrives on the timetable: more than half a day, so not a connection we count.