AS 324 then UA 3378 at O'Hare
Portland (Oregon) → Chicago → Richmond
Timetable, Chicago time
13:09AS 324 from Portland (Oregon) at the gate
08:30UA 3378 to Richmond leaves the gate
19 h 21 apart on the timetable, overnight
UA 3378 leaves 19 h 21 after AS 324 arrives on the timetable: more than half a day, so not a connection we count.