UA 1416 then DL 2709 at Houston
Los Angeles → Houston → Atlanta
Timetable, Houston time
13:35UA 1416 from Los Angeles at the gate
08:05DL 2709 to Atlanta leaves the gate
18 h 30 apart on the timetable, overnight
DL 2709 leaves 18 h 30 after UA 1416 arrives on the timetable: more than half a day, so not a connection we count.