CV 21 then AA 4025 at O'Hare
Anchorage → Chicago → Marquette
Timetable, Chicago time
01:25CV 21 from Anchorage at the gate
19:10AA 4025 to Marquette leaves the gate
17 h 45 apart on the timetable
AA 4025 leaves 17 h 45 after CV 21 arrives on the timetable: more than half a day, so not a connection we count.