AA 3880 then AA 1855 at Charlotte
Greensboro → Charlotte → Oklahoma City
Timetable, Charlotte time
19:55AA 3880 from Greensboro at the gate
19:54AA 1855 to Oklahoma City leaves the gate
23 h 59 apart on the timetable, overnight
AA 1855 leaves 23 h 59 after AA 3880 arrives on the timetable: more than half a day, so not a connection we count.