AA 3735 then AA 3603 at DFW
College Station → Dallas-Fort Worth → Tampico
Timetable, Dallas-Fort Worth time
21:23AA 3735 from College Station at the gate
11:55AA 3603 to Tampico leaves the gate
14 h 32 apart on the timetable, overnight
AA 3603 leaves 14 h 32 after AA 3735 arrives on the timetable: more than half a day, so not a connection we count.