CI 5240 then UA 423 at O'Hare
Anchorage → Chicago → Philadelphia
Timetable, Chicago time
15:04CI 5240 from Anchorage at the gate
06:42UA 423 to Philadelphia leaves the gate
15 h 38 apart on the timetable, overnight
UA 423 leaves 15 h 38 after CI 5240 arrives on the timetable: more than half a day, so not a connection we count.