DL 706 then WN 3129 at Atlanta
Denver → Atlanta → Houston Hobby
Timetable, Atlanta time
18:01DL 706 from Denver at the gate
14:25WN 3129 to Houston Hobby leaves the gate
20 h 24 apart on the timetable, overnight
WN 3129 leaves 20 h 24 after DL 706 arrives on the timetable: more than half a day, so not a connection we count.