ET 3608 then UA 291 at O'Hare
Anchorage → Chicago → Grand Rapids
Timetable, Chicago time
07:16ET 3608 from Anchorage at the gate
19:57UA 291 to Grand Rapids leaves the gate
12 h 41 apart on the timetable
UA 291 leaves 12 h 41 after ET 3608 arrives on the timetable: more than half a day, so not a connection we count.