AA 9950 then UA 2182 at O'Hare
Philadelphia → Chicago → Portland (Oregon)
Timetable, Chicago time
13:49AA 9950 from Philadelphia at the gate
12:49UA 2182 to Portland (Oregon) leaves the gate
23 h apart on the timetable, overnight
UA 2182 leaves 23 h after AA 9950 arrives on the timetable: more than half a day, so not a connection we count.