AA 2261 then AA 2753 at DFW
St Louis → Dallas-Fort Worth → Valparaiso
Timetable, Dallas-Fort Worth time
07:08AA 2261 from St Louis at the gate
19:24AA 2753 to Valparaiso leaves the gate
12 h 16 apart on the timetable
AA 2753 leaves 12 h 16 after AA 2261 arrives on the timetable: more than half a day, so not a connection we count.