ET 3608 then AA 4434 at O'Hare
Anchorage → Chicago → Madison
Timetable, Chicago time
07:16ET 3608 from Anchorage at the gate
22:30AA 4434 to Madison leaves the gate
15 h 14 apart on the timetable
AA 4434 leaves 15 h 14 after ET 3608 arrives on the timetable: more than half a day, so not a connection we count.