IB 346 then AY 5565 at Madrid
Boston → Madrid → Pamplona
Timetable, Madrid time
08:30IB 346 from Boston at the gate
07:55AY 5565 to Pamplona leaves the gatealso VY 5613, AV 6062, QR 8059, AA 8823
23 h 25 apart on the timetable, overnight
AY 5565 leaves 23 h 25 after IB 346 arrives on the timetable: more than half a day, so not a connection we count.