UA 2358 then DL 2709 at Houston
Indianapolis → Houston → Atlanta
Timetable, Houston time
08:44UA 2358 from Indianapolis at the gate
08:05DL 2709 to Atlanta leaves the gate
23 h 21 apart on the timetable, overnight
DL 2709 leaves 23 h 21 after UA 2358 arrives on the timetable: more than half a day, so not a connection we count.