K4 913 then AA 830 at O'Hare
Anchorage → Chicago → Philadelphia
Timetable, Chicago time
13:37K4 913 from Anchorage at the gate
13:22AA 830 to Philadelphia leaves the gate
23 h 45 apart on the timetable, overnight
AA 830 leaves 23 h 45 after K4 913 arrives on the timetable: more than half a day, so not a connection we count.