AA 2070 then AA 5418 at DFW
San Antonio → Dallas-Fort Worth → Harlingen
Timetable, Dallas-Fort Worth time
09:24AA 2070 from San Antonio at the gate
21:48AA 5418 to Harlingen leaves the gate
12 h 24 apart on the timetable
AA 5418 leaves 12 h 24 after AA 2070 arrives on the timetable: more than half a day, so not a connection we count.