DL 704 then DL 2891 at Atlanta
Boise → Atlanta → Ontario
Timetable, Atlanta time
05:10DL 704 from Boise at the gate
18:09DL 2891 to Ontario leaves the gate
12 h 59 apart on the timetable
DL 2891 leaves 12 h 59 after DL 704 arrives on the timetable: more than half a day, so not a connection we count.