DL 3685 then DL 2423 at Atlanta
Fargo → Atlanta → Oklahoma City
Timetable, Atlanta time
10:03DL 3685 from Fargo at the gate
22:40DL 2423 to Oklahoma City leaves the gate
12 h 37 apart on the timetable
DL 2423 leaves 12 h 37 after DL 3685 arrives on the timetable: more than half a day, so not a connection we count.