UA 4752 then BR 643 at O'Hare
Akron → Chicago → Anchorage
Timetable, Chicago time
14:48UA 4752 from Akron at the gate
11:55BR 643 to Anchorage leaves the gate
21 h 07 apart on the timetable, overnight
BR 643 leaves 21 h 07 after UA 4752 arrives on the timetable: more than half a day, so not a connection we count.