7L 1312 then AA 4191 at O'Hare
Anchorage → Chicago → Rochester (ROC)
Timetable, Chicago time
10:157L 1312 from Anchorage at the gate
08:02AA 4191 to Rochester (ROC) leaves the gate
21 h 47 apart on the timetable, overnight
AA 4191 leaves 21 h 47 after 7L 1312 arrives on the timetable: more than half a day, so not a connection we count.