CV 12 then UA 5941 at O'Hare
Anchorage → Chicago → Tucson
Timetable, Chicago time
19:11CV 12 from Anchorage at the gate
15:35UA 5941 to Tucson leaves the gate
20 h 24 apart on the timetable, overnight
UA 5941 leaves 20 h 24 after CV 12 arrives on the timetable: more than half a day, so not a connection we count.