BR 662 then UA 1568 at O'Hare
Anchorage → Chicago → Rochester (ROC)
Timetable, Chicago time
06:39BR 662 from Anchorage at the gate
18:59UA 1568 to Rochester (ROC) leaves the gate
12 h 20 apart on the timetable
UA 1568 leaves 12 h 20 after BR 662 arrives on the timetable: more than half a day, so not a connection we count.