AA 5996 then AA 9950 at Philadelphia
Grand Rapids → Philadelphia → Chicago O'Hare
Timetable, Philadelphia time
14:53AA 5996 from Grand Rapids at the gate
13:01AA 9950 to Chicago O'Hare leaves the gate
22 h 08 apart on the timetable, overnight
AA 9950 leaves 22 h 08 after AA 5996 arrives on the timetable: more than half a day, so not a connection we count.