AA 6423 then AA 1563 at DFW
Shreveport → Dallas-Fort Worth → Milwaukee
Timetable, Dallas-Fort Worth time
07:30AA 6423 from Shreveport at the gate
19:34AA 1563 to Milwaukee leaves the gate
12 h 04 apart on the timetable
AA 1563 leaves 12 h 04 after AA 6423 arrives on the timetable: more than half a day, so not a connection we count.