F9 3511 then DL 1892 at Atlanta
Boston → Atlanta → Chattanooga
Timetable, Atlanta time
14:40F9 3511 from Boston at the gate
14:30DL 1892 to Chattanooga leaves the gate
23 h 50 apart on the timetable, overnight
DL 1892 leaves 23 h 50 after F9 3511 arrives on the timetable: more than half a day, so not a connection we count.