CI 5240 then UA 751 at O'Hare
Anchorage → Chicago → Portland (Oregon)
Timetable, Chicago time
13:59CI 5240 from Anchorage at the gate
09:05UA 751 to Portland (Oregon) leaves the gate
19 h 06 apart on the timetable, overnight
UA 751 leaves 19 h 06 after CI 5240 arrives on the timetable: more than half a day, so not a connection we count.