DL 154 then FR 7199 at Dublin
Boston → Dublin → Lanzarote
Timetable, Dublin time
09:45DL 154 from Boston at the gate
05:55FR 7199 to Lanzarote leaves the gate
20 h 10 apart on the timetable, overnight
FR 7199 leaves 20 h 10 after DL 154 arrives on the timetable: more than half a day, so not a connection we count.