ET 3608 then UA 5539 at O'Hare
Anchorage → Chicago → Moline
Timetable, Chicago time
07:16ET 3608 from Anchorage at the gate
21:47UA 5539 to Moline leaves the gate
14 h 31 apart on the timetable
UA 5539 leaves 14 h 31 after ET 3608 arrives on the timetable: more than half a day, so not a connection we count.