EC 1703 then AA 37 at Madrid
Nice → Madrid → Dallas-Fort Worth
Timetable, Madrid time
20:40EC 1703 from Nice at the gate
13:30AA 37 to Dallas-Fort Worth leaves the gatealso BA 1513, AY 3743, IB 4608
16 h 50 apart on the timetable, overnight
AA 37 leaves 16 h 50 after EC 1703 arrives on the timetable: more than half a day, so not a connection we count.