UA 1062 then DL 2709 at Houston
Toronto → Houston → Atlanta
Timetable, Houston time
09:07UA 1062 from Toronto at the gate
08:05DL 2709 to Atlanta leaves the gate
22 h 58 apart on the timetable, overnight
DL 2709 leaves 22 h 58 after UA 1062 arrives on the timetable: more than half a day, so not a connection we count.