AA 6095 then UA 3998 at Charlotte
Greensboro → Charlotte → Washington
Timetable, Charlotte time
07:31AA 6095 from Greensboro at the gate
19:55UA 3998 to Washington leaves the gate
12 h 24 apart on the timetable
UA 3998 leaves 12 h 24 after AA 6095 arrives on the timetable: more than half a day, so not a connection we count.