CI 5240 then UA 5077 at O'Hare
Anchorage → Chicago → Mason City
Timetable, Chicago time
15:04CI 5240 from Anchorage at the gate
07:09UA 5077 to Mason City leaves the gate
16 h 05 apart on the timetable, overnight
UA 5077 leaves 16 h 05 after CI 5240 arrives on the timetable: more than half a day, so not a connection we count.