EC 1703 then IB 263 at Madrid
Nice → Madrid → Santo Domingo
Timetable, Madrid time
20:40EC 1703 from Nice at the gate
16:05IB 263 to Santo Domingo leaves the gatealso QR 5351, BA 7191
19 h 25 apart on the timetable, overnight
IB 263 leaves 19 h 25 after EC 1703 arrives on the timetable: more than half a day, so not a connection we count.