CI 5234 then AA 2840 at O'Hare
Anchorage → Chicago → Philadelphia
Timetable, Chicago time
19:25CI 5234 from Anchorage at the gate
15:21AA 2840 to Philadelphia leaves the gate
19 h 56 apart on the timetable, overnight
AA 2840 leaves 19 h 56 after CI 5234 arrives on the timetable: more than half a day, so not a connection we count.