F9 124 then DL 819 at Atlanta
Montego Bay → Atlanta → San Diego
Timetable, Atlanta time
19:40F9 124 from Montego Bay at the gate
19:23DL 819 to San Diego leaves the gate
23 h 43 apart on the timetable, overnight
DL 819 leaves 23 h 43 after F9 124 arrives on the timetable: more than half a day, so not a connection we count.