F9 3856 then AA 9950 at Philadelphia
Orlando → Philadelphia → Chicago O'Hare
Timetable, Philadelphia time
13:53F9 3856 from Orlando at the gate
13:01AA 9950 to Chicago O'Hare leaves the gate
23 h 08 apart on the timetable, overnight
AA 9950 leaves 23 h 08 after F9 3856 arrives on the timetable: more than half a day, so not a connection we count.