DL 31 then DL 2891 at Atlanta
London → Atlanta → Ontario
Timetable, Atlanta time
17:22DL 31 from London at the gate
16:55DL 2891 to Ontario leaves the gate
23 h 33 apart on the timetable, overnight
DL 2891 leaves 23 h 33 after DL 31 arrives on the timetable: more than half a day, so not a connection we count.