IB 346 then FR 3186 at Madrid
Boston → Madrid → Manchester
Timetable, Madrid time
08:05IB 346 from Boston at the gate
06:40FR 3186 to Manchester leaves the gate
22 h 35 apart on the timetable, overnight
FR 3186 leaves 22 h 35 after IB 346 arrives on the timetable: more than half a day, so not a connection we count.