EC 4795 then AA 37 at Madrid
Nantes → Madrid → Dallas-Fort Worth
Timetable, Madrid time
13:00EC 4795 from Nantes at the gate
10:00AA 37 to Dallas-Fort Worth leaves the gatealso BA 1513, AY 3743, IB 4608
21 h apart on the timetable, overnight
AA 37 leaves 21 h after EC 4795 arrives on the timetable: more than half a day, so not a connection we count.