K4 557 then UA 1239 at O'Hare
Anchorage → Chicago → Rochester (ROC)
Timetable, Chicago time
14:14K4 557 from Anchorage at the gate
13:57UA 1239 to Rochester (ROC) leaves the gate
23 h 43 apart on the timetable, overnight
UA 1239 leaves 23 h 43 after K4 557 arrives on the timetable: more than half a day, so not a connection we count.