F9 4076 then DL 2862 at Atlanta
Houston → Atlanta → Oklahoma City
Timetable, Atlanta time
15:44F9 4076 from Houston at the gate
15:20DL 2862 to Oklahoma City leaves the gate
23 h 36 apart on the timetable, overnight
DL 2862 leaves 23 h 36 after F9 4076 arrives on the timetable: more than half a day, so not a connection we count.