K4 557 then UA 747 at O'Hare
Anchorage → Chicago → Baltimore
Timetable, Chicago time
05:46K4 557 from Anchorage at the gate
18:29UA 747 to Baltimore leaves the gate
12 h 43 apart on the timetable
UA 747 leaves 12 h 43 after K4 557 arrives on the timetable: more than half a day, so not a connection we count.