AA 9950 then UA 606 at O'Hare
Philadelphia → Chicago → Newark
Timetable, Chicago time
13:49AA 9950 from Philadelphia at the gate
11:56UA 606 to Newark leaves the gate
22 h 07 apart on the timetable, overnight
UA 606 leaves 22 h 07 after AA 9950 arrives on the timetable: more than half a day, so not a connection we count.