F9 1241 then DL 1248 at Atlanta
Orlando → Atlanta → Harrisburg
Timetable, Atlanta time
11:15F9 1241 from Orlando at the gate
09:50DL 1248 to Harrisburg leaves the gate
22 h 35 apart on the timetable, overnight
DL 1248 leaves 22 h 35 after F9 1241 arrives on the timetable: more than half a day, so not a connection we count.