BR 646 then UA 3492 at O'Hare
Anchorage → Chicago → Rochester (ROC)
Timetable, Chicago time
17:10BR 646 from Anchorage at the gate
10:35UA 3492 to Rochester (ROC) leaves the gate
17 h 25 apart on the timetable, overnight
UA 3492 leaves 17 h 25 after BR 646 arrives on the timetable: more than half a day, so not a connection we count.