CA 1011 then UA 5077 at O'Hare
Anchorage → Chicago → Mason City
Timetable, Chicago time
17:12CA 1011 from Anchorage at the gate
07:09UA 5077 to Mason City leaves the gate
13 h 57 apart on the timetable, overnight
UA 5077 leaves 13 h 57 after CA 1011 arrives on the timetable: more than half a day, so not a connection we count.