UA 5325 then DL 2709 at Houston
Colorado Springs → Houston → Atlanta
Timetable, Houston time
11:10UA 5325 from Colorado Springs 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 5325 arrives on the timetable: more than half a day, so not a connection we count.