F9 1241 then DL 2479 at Atlanta
Orlando → Atlanta → Portland (Maine)
Timetable, Atlanta time
11:15F9 1241 from Orlando at the gate
10:30DL 2479 to Portland (Maine) leaves the gate
23 h 15 apart on the timetable, overnight
DL 2479 leaves 23 h 15 after F9 1241 arrives on the timetable: more than half a day, so not a connection we count.