QR 727 then AA 5347 at Philadelphia
Doha → Philadelphia → Richmond
Timetable, Philadelphia time
14:50QR 727 from Doha at the gate
10:02AA 5347 to Richmond leaves the gate
19 h 12 apart on the timetable, overnight
AA 5347 leaves 19 h 12 after QR 727 arrives on the timetable: more than half a day, so not a connection we count.