FR 7007 then FR 373 at Dublin
Vienna → Dublin → London Luton
Timetable, Dublin time
17:00FR 7007 from Vienna at the gate
11:15FR 373 to London Luton leaves the gate
18 h 15 apart on the timetable, overnight
FR 373 leaves 18 h 15 after FR 7007 arrives on the timetable: more than half a day, so not a connection we count.