QF 7521 then AA 3449 at O'Hare
Anchorage → Chicago → Fargo
Timetable, Chicago time
10:15QF 7521 from Anchorage at the gate
10:00AA 3449 to Fargo leaves the gate
23 h 45 apart on the timetable, overnight
AA 3449 leaves 23 h 45 after QF 7521 arrives on the timetable: more than half a day, so not a connection we count.