CA 1017 then UA 4636 at O'Hare
Anchorage → Chicago → South Bend
Timetable, Chicago time
19:05CA 1017 from Anchorage at the gate
18:10UA 4636 to South Bend leaves the gate
23 h 05 apart on the timetable, overnight
UA 4636 leaves 23 h 05 after CA 1017 arrives on the timetable: more than half a day, so not a connection we count.