AA 3662 then BR 643 at O'Hare
Columbia Regional → Chicago → Anchorage
Timetable, Chicago time
12:14AA 3662 from Columbia Regional at the gate
11:55BR 643 to Anchorage leaves the gate
23 h 41 apart on the timetable, overnight
BR 643 leaves 23 h 41 after AA 3662 arrives on the timetable: more than half a day, so not a connection we count.