F9 124 then DL 1892 at Atlanta
Montego Bay → Atlanta → Chattanooga
Timetable, Atlanta time
19:40F9 124 from Montego Bay at the gate
14:30DL 1892 to Chattanooga leaves the gate
18 h 50 apart on the timetable, overnight
DL 1892 leaves 18 h 50 after F9 124 arrives on the timetable: more than half a day, so not a connection we count.