CV 21 then UA 4550 at O'Hare
Anchorage → Chicago → Columbia Regional
Timetable, Chicago time
22:27CV 21 from Anchorage at the gate
21:25UA 4550 to Columbia Regional leaves the gate
22 h 58 apart on the timetable, overnight
UA 4550 leaves 22 h 58 after CV 21 arrives on the timetable: more than half a day, so not a connection we count.