DL 516 then DL 5412 at Atlanta
Dallas → Atlanta → Northwest Arkansas
Timetable, Atlanta time
09:15DL 516 from Dallas at the gate
21:24DL 5412 to Northwest Arkansas leaves the gate
12 h 09 apart on the timetable
DL 5412 leaves 12 h 09 after DL 516 arrives on the timetable: more than half a day, so not a connection we count.