DL 515 then DL 1734 at Atlanta
Los Angeles → Atlanta → Toronto
Timetable, Atlanta time
14:13DL 515 from Los Angeles at the gate
14:07DL 1734 to Toronto leaves the gate
23 h 54 apart on the timetable, overnight
DL 1734 leaves 23 h 54 after DL 515 arrives on the timetable: more than half a day, so not a connection we count.