DL 775 then DL 2891 at Atlanta
Cleveland → Atlanta → Ontario
Timetable, Atlanta time
17:01DL 775 from Cleveland at the gate
16:55DL 2891 to Ontario leaves the gate
23 h 54 apart on the timetable, overnight
DL 2891 leaves 23 h 54 after DL 775 arrives on the timetable: more than half a day, so not a connection we count.