UA 4802 then BR 647 at O'Hare
Columbus (Ohio) → Chicago → Anchorage
Timetable, Chicago time
11:41UA 4802 from Columbus (Ohio) at the gate
09:35BR 647 to Anchorage leaves the gate
21 h 54 apart on the timetable, overnight
BR 647 leaves 21 h 54 after UA 4802 arrives on the timetable: more than half a day, so not a connection we count.