FR 2514 then IB 811 at Madrid
Bucharest → Madrid → Prague
Timetable, Madrid time
00:45FR 2514 from Bucharest at the gate
16:10IB 811 to Prague leaves the gatealso AT 5325, LA 5435, VY 5449, AA 8564
15 h 25 apart on the timetable
IB 811 leaves 15 h 25 after FR 2514 arrives on the timetable: more than half a day, so not a connection we count.