FR 509 then QR 18 at Dublin
Bristol → Dublin → Doha
Timetable, Dublin time
20:10FR 509 from Bristol at the gate
14:05QR 18 to Doha leaves the gate
17 h 55 apart on the timetable, overnight
QR 18 leaves 17 h 55 after FR 509 arrives on the timetable: more than half a day, so not a connection we count.