DL 1539 then DL 2020 at Atlanta
Pensacola → Atlanta → Oklahoma City
Timetable, Atlanta time
11:35DL 1539 from Pensacola at the gate
11:20DL 2020 to Oklahoma City leaves the gate
23 h 45 apart on the timetable, overnight
DL 2020 leaves 23 h 45 after DL 1539 arrives on the timetable: more than half a day, so not a connection we count.