UA 6039 then DL 2709 at Houston
Northwest Arkansas → Houston → Atlanta
Timetable, Houston time
13:38UA 6039 from Northwest Arkansas at the gate
08:05DL 2709 to Atlanta leaves the gate
18 h 27 apart on the timetable, overnight
DL 2709 leaves 18 h 27 after UA 6039 arrives on the timetable: more than half a day, so not a connection we count.