F9 2496 then DL 2891 at Atlanta
Dallas-Fort Worth → Atlanta → Ontario
Timetable, Atlanta time
17:02F9 2496 from Dallas-Fort Worth at the gate
16:55DL 2891 to Ontario leaves the gate
23 h 53 apart on the timetable, overnight
DL 2891 leaves 23 h 53 after F9 2496 arrives on the timetable: more than half a day, so not a connection we count.