CI 5240 then UA 5517 at O'Hare
Anchorage → Chicago → Tucson
Timetable, Chicago time
19:25CI 5240 from Anchorage at the gate
08:50UA 5517 to Tucson leaves the gate
13 h 25 apart on the timetable, overnight
UA 5517 leaves 13 h 25 after CI 5240 arrives on the timetable: more than half a day, so not a connection we count.