F9 1563 then DL 5245 at Atlanta
Orlando → Atlanta → Knoxville
Timetable, Atlanta time
09:55F9 1563 from Orlando at the gate
08:11DL 5245 to Knoxville leaves the gate
22 h 16 apart on the timetable, overnight
DL 5245 leaves 22 h 16 after F9 1563 arrives on the timetable: more than half a day, so not a connection we count.