ET 3608 then UA 1839 at O'Hare
Anchorage → Chicago → Des Moines
Timetable, Chicago time
07:16ET 3608 from Anchorage at the gate
20:25UA 1839 to Des Moines leaves the gate
13 h 09 apart on the timetable
UA 1839 leaves 13 h 09 after ET 3608 arrives on the timetable: more than half a day, so not a connection we count.