WN 824 then DL 3939 at Atlanta
Dallas → Atlanta → Jacksonville (North Carolina)
Timetable, Atlanta time
14:35WN 824 from Dallas at the gate
02:38DL 3939 to Jacksonville (North Carolina) leaves the gate
12 h 03 apart on the timetable, overnight
DL 3939 leaves 12 h 03 after WN 824 arrives on the timetable: more than half a day, so not a connection we count.