F9 152 then DL 1892 at Atlanta
Cancún → Atlanta → Chattanooga
Timetable, Atlanta time
17:41F9 152 from Cancún at the gate
14:30DL 1892 to Chattanooga leaves the gate
20 h 49 apart on the timetable, overnight
DL 1892 leaves 20 h 49 after F9 152 arrives on the timetable: more than half a day, so not a connection we count.