CV 251 then AA 3437 at O'Hare
Anchorage → Chicago → Rochester (ROC)
Timetable, Chicago time
19:00CV 251 from Anchorage at the gate
08:05AA 3437 to Rochester (ROC) leaves the gate
13 h 05 apart on the timetable, overnight
AA 3437 leaves 13 h 05 after CV 251 arrives on the timetable: more than half a day, so not a connection we count.