DL 854 then DL 2862 at Atlanta
Springfield → Atlanta → Oklahoma City
Timetable, Atlanta time
18:51DL 854 from Springfield at the gate
16:55DL 2862 to Oklahoma City leaves the gate
22 h 04 apart on the timetable, overnight
DL 2862 leaves 22 h 04 after DL 854 arrives on the timetable: more than half a day, so not a connection we count.