EC 1703 then LA 1689 at Madrid
Nice → Madrid → Bordeaux
Timetable, Madrid time
20:40EC 1703 from Nice at the gate
15:55LA 1689 to Bordeaux leaves the gatealso AY 4773, AA 8623
19 h 15 apart on the timetable, overnight
LA 1689 leaves 19 h 15 after EC 1703 arrives on the timetable: more than half a day, so not a connection we count.