UX 72 then AA 37 at Madrid
Caracas → Madrid → Dallas-Fort Worth
Timetable, Madrid time
12:35UX 72 from Caracas at the gate
10:00AA 37 to Dallas-Fort Worth leaves the gatealso BA 1513, AY 3743, IB 4608
21 h 25 apart on the timetable, overnight
AA 37 leaves 21 h 25 after UX 72 arrives on the timetable: more than half a day, so not a connection we count.