UA 5536 then DL 2709 at Houston
Milwaukee → Houston → Atlanta
Timetable, Houston time
11:10UA 5536 from Milwaukee at the gate
08:05DL 2709 to Atlanta leaves the gate
20 h 55 apart on the timetable, overnight
DL 2709 leaves 20 h 55 after UA 5536 arrives on the timetable: more than half a day, so not a connection we count.