UA 3911 then AA 3352 at O'Hare
Portland (Oregon) → Chicago → Columbus (Ohio)
Timetable, Chicago time
17:09UA 3911 from Portland (Oregon) at the gate
08:03AA 3352 to Columbus (Ohio) leaves the gate
14 h 54 apart on the timetable, overnight
AA 3352 leaves 14 h 54 after UA 3911 arrives on the timetable: more than half a day, so not a connection we count.