AA 1732 then QR 728 at Philadelphia
San Francisco → Philadelphia → Doha
Timetable, Philadelphia time
21:04AA 1732 from San Francisco at the gate
20:45QR 728 to Doha leaves the gate
23 h 41 apart on the timetable, overnight
QR 728 leaves 23 h 41 after AA 1732 arrives on the timetable: more than half a day, so not a connection we count.