F9 1123 then DL 589 at Atlanta
Fort Lauderdale → Atlanta → Mexico City
Timetable, Atlanta time
19:48F9 1123 from Fort Lauderdale at the gate
19:08DL 589 to Mexico City leaves the gate
23 h 20 apart on the timetable, overnight
DL 589 leaves 23 h 20 after F9 1123 arrives on the timetable: more than half a day, so not a connection we count.