AA 9976 then F9 2111 at Philadelphia
Salisbury → Philadelphia → Chicago O'Hare
Timetable, Philadelphia time
08:55AA 9976 from Salisbury at the gate
21:09F9 2111 to Chicago O'Hare leaves the gate
12 h 14 apart on the timetable
F9 2111 leaves 12 h 14 after AA 9976 arrives on the timetable: more than half a day, so not a connection we count.