F9 1241 then DL 1830 at Atlanta
Orlando → Atlanta → Guatemala City
Timetable, Atlanta time
11:15F9 1241 from Orlando at the gate
10:10DL 1830 to Guatemala City leaves the gate
22 h 55 apart on the timetable, overnight
DL 1830 leaves 22 h 55 after F9 1241 arrives on the timetable: more than half a day, so not a connection we count.