AA 6094 then UA 6236 at Charlotte
Greensboro → Charlotte → Houston
Timetable, Charlotte time
13:14AA 6094 from Greensboro at the gate
11:34UA 6236 to Houston leaves the gate
22 h 20 apart on the timetable, overnight
UA 6236 leaves 22 h 20 after AA 6094 arrives on the timetable: more than half a day, so not a connection we count.