UA 228 then FR 7242 at Dublin
Washington → Dublin → Valletta
Timetable, Dublin time
10:20UA 228 from Washington at the gate
05:50FR 7242 to Valletta leaves the gate
19 h 30 apart on the timetable, overnight
FR 7242 leaves 19 h 30 after UA 228 arrives on the timetable: more than half a day, so not a connection we count.