AA 9975 then F9 4807 at Philadelphia
Roanoke → Philadelphia → Tampa
Timetable, Philadelphia time
15:24AA 9975 from Roanoke at the gate
12:59F9 4807 to Tampa leaves the gate
21 h 35 apart on the timetable, overnight
F9 4807 leaves 21 h 35 after AA 9975 arrives on the timetable: more than half a day, so not a connection we count.