FR 7237 then DL 155 at Dublin
Valletta → Dublin → Boston
Timetable, Dublin time
13:50FR 7237 from Valletta at the gate
11:55DL 155 to Boston leaves the gate
22 h 05 apart on the timetable, overnight
DL 155 leaves 22 h 05 after FR 7237 arrives on the timetable: more than half a day, so not a connection we count.