DL 2709 then UA 5091 at Houston
Atlanta → Houston → Chattanooga
Timetable, Houston time
13:23DL 2709 from Atlanta at the gate
12:55UA 5091 to Chattanooga leaves the gate
23 h 32 apart on the timetable, overnight
UA 5091 leaves 23 h 32 after DL 2709 arrives on the timetable: more than half a day, so not a connection we count.