AA 1141 then DL 2891 at Atlanta
Los Angeles → Atlanta → Ontario
Timetable, Atlanta time
16:58AA 1141 from Los Angeles at the gate
16:55DL 2891 to Ontario leaves the gate
23 h 57 apart on the timetable, overnight
DL 2891 leaves 23 h 57 after AA 1141 arrives on the timetable: more than half a day, so not a connection we count.