QR 8143 then AA 428 at O'Hare
Warsaw → Chicago → Portland (Oregon)
Timetable, Chicago time
17:47QR 8143 from Warsaw at the gate
17:05AA 428 to Portland (Oregon) leaves the gate
23 h 18 apart on the timetable, overnight
AA 428 leaves 23 h 18 after QR 8143 arrives on the timetable: more than half a day, so not a connection we count.