ET 3608 then UA 4479 at O'Hare
Anchorage → Chicago → Huntsville
Timetable, Chicago time
07:16ET 3608 from Anchorage at the gate
19:50UA 4479 to Huntsville leaves the gate
12 h 34 apart on the timetable
UA 4479 leaves 12 h 34 after ET 3608 arrives on the timetable: more than half a day, so not a connection we count.