7L 1612 then UA 5539 at O'Hare
Anchorage → Chicago → Moline
Timetable, Chicago time
06:127L 1612 from Anchorage at the gate
21:47UA 5539 to Moline leaves the gate
15 h 35 apart on the timetable
UA 5539 leaves 15 h 35 after 7L 1612 arrives on the timetable: more than half a day, so not a connection we count.