QR 731 then AA 1375 at DFW
Doha → Dallas-Fort Worth → Charlotte
Timetable, Dallas-Fort Worth time
09:25QR 731 from Doha at the gate
06:00AA 1375 to Charlotte leaves the gate
20 h 35 apart on the timetable, overnight
AA 1375 leaves 20 h 35 after QR 731 arrives on the timetable: more than half a day, so not a connection we count.